[llvm] r355057 - AMDGPU/GlobalISel: Add regbankselect test for phis
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 27 16:52:36 PST 2019
Author: arsenm
Date: Wed Feb 27 16:52:36 2019
New Revision: 355057
URL: http://llvm.org/viewvc/llvm-project?rev=355057&view=rev
Log:
AMDGPU/GlobalISel: Add regbankselect test for phis
Add baseline for future fixes. These mostly show how this is broken
and producing illegal situations.
Added:
llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir
Added: llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir?rev=355057&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir Wed Feb 27 16:52:36 2019
@@ -0,0 +1,1434 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
+
+---
+name: phi_s32_ss_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_ss_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_sv_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_sv_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $vgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $vgpr0, $sgpr1
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_vs_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_vs_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_vv_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_vv_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $sgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $sgpr0
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $sgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+---
+name: phi_s32_ss_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_ss_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $vgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $vgpr0
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $vgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_sv_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_sv_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $vgpr0, $vgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $vgpr0, $vgpr1
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $vgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_vs_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_vs_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $vgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $vgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $vgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s32_vv_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_vv_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s32) = G_PHI [[COPY]](s32), %bb.0, [[COPY3]](s32), %bb.1
+ ; CHECK: $sgpr0 = COPY [[PHI]](s32)
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $vgpr2
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $vgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %4, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %5:_(s32) = COPY %1
+ G_BR %bb.2
+
+ bb.2:
+ %6:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ $sgpr0 = COPY %6
+ S_SETPC_B64 undef $sgpr30_sgpr31
+
+...
+
+---
+name: phi_s1_scc_scc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_scc_scc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP2:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:scc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1
+ ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[PHI]](s1), [[C]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_scc_scc_scc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_scc_scc_scc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.3(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY3]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY3]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.3
+ ; CHECK: G_BR %bb.1
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x40000000), %bb.3(0x40000000)
+ ; CHECK: [[C1:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 99
+ ; CHECK: [[C2:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 888
+ ; CHECK: [[ICMP2:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C1]]
+ ; CHECK: [[ICMP3:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C2]]
+ ; CHECK: G_BRCOND [[ICMP3]](s1), %bb.3
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: successors: %bb.3(0x80000000)
+ ; CHECK: [[C3:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 123
+ ; CHECK: [[ICMP4:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C3]]
+ ; CHECK: G_BR %bb.3
+ ; CHECK: bb.3:
+ ; CHECK: [[PHI:%[0-9]+]]:scc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1, [[ICMP4]](s1), %bb.2
+ ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[PHI]](s1), [[COPY]], [[COPY1]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.3
+ liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = COPY $sgpr3
+ %4:_(s32) = G_CONSTANT i32 0
+ %5:_(s1) = G_ICMP intpred(eq), %0, %3
+ %6:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %6, %bb.3
+ G_BR %bb.1
+
+ bb.1:
+ successors: %bb.2, %bb.3
+
+ %7:_(s32) = G_CONSTANT i32 99
+ %8:_(s32) = G_CONSTANT i32 888
+ %9:_(s1) = G_ICMP intpred(eq), %1, %7
+ %10:_(s1) = G_ICMP intpred(eq), %1, %8
+ G_BRCOND %10, %bb.3
+ G_BR %bb.2
+
+ bb.2:
+ successors: %bb.3
+
+ %11:_(s32) = G_CONSTANT i32 123
+ %12:_(s1) = G_ICMP intpred(eq), %2, %11
+ G_BR %bb.3
+
+ bb.3:
+ %13:_(s1) = G_PHI %5, %bb.0, %9, %bb.1, %12, %bb.2
+ %14:_(s32) = G_SELECT %13, %0, %1
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %14
+
+...
+
+---
+name: phi_s1_scc_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_scc_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $vgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP2:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:scc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1
+ ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[PHI]](s1), [[C]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $vgpr0
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_vcc_scc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_vcc_scc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP2:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vcc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[PHI]](s1), [[COPY3]], [[COPY4]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %1
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_vcc_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_vcc_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $sgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP2:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vcc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[PHI]](s1), [[COPY3]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $sgpr0
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $sgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_s_scc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_s_scc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[ICMP1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY5]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_scc_s_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_scc_s_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:scc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[TRUNC]](s1), %bb.1
+ ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[PHI]](s1), [[C]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_scc_v_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_scc_v_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:scc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[TRUNC]](s1), %bb.1
+ ; CHECK: [[SELECT:%[0-9]+]]:sgpr(s32) = G_SELECT [[PHI]](s1), [[C]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_v_scc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_v_scc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[ICMP1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+
+
+
+
+---
+name: phi_s1_vcc_s_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_vcc_s_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vcc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[TRUNC]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[PHI]](s1), [[COPY3]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_s_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_s_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[ICMP1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY5]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_vcc_v_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_vcc_v_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $sgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[C]]
+ ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP1]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vcc(s1) = G_PHI [[ICMP]](s1), %bb.0, [[TRUNC]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[PHI]](s1), [[COPY3]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $sgpr0
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $sgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_ICMP intpred(eq), %0, %3
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_v_vcc_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_v_vcc_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $sgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[ICMP1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $sgpr0
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_v_s_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_v_s_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC1:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[TRUNC1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $sgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_s_v_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_s_v_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $sgpr0, $sgpr1
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC1:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[TRUNC1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY5]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $sgpr0, $sgpr1
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $vgpr0
+ %2:_(s32) = COPY $sgpr1
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_v_v_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_v_v_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $vgpr0, $vgpr1, $sgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC1:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:vgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[TRUNC1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $vgpr0, $vgpr1, $sgpr0
+
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s32) = COPY $sgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+---
+name: phi_s1_s_s_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s1_s_s_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.2(0x80000000)
+ ; CHECK: [[TRUNC1:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s1) = G_PHI [[TRUNC]](s1), %bb.0, [[TRUNC1]](s1), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vcc(s1) = COPY [[PHI]](s1)
+ ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
+ ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+ ; CHECK: [[SELECT:%[0-9]+]]:vgpr(s32) = G_SELECT [[COPY3]](s1), [[COPY4]], [[COPY5]]
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[SELECT]](s32)
+ bb.0:
+ successors: %bb.1, %bb.2
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ %4:_(s1) = G_TRUNC %0
+ %5:_(s1) = G_ICMP intpred(eq), %2, %3
+ G_BRCOND %5, %bb.1
+ G_BR %bb.2
+
+ bb.1:
+ successors: %bb.2
+
+ %6:_(s1) = G_TRUNC %1
+ G_BR %bb.2
+
+ bb.2:
+ %7:_(s1) = G_PHI %4, %bb.0, %6, %bb.1
+ %8:_(s32) = G_SELECT %7, %3, %0
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %8
+
+...
+
+# Test a phi where the VGPR input is after the phi itself
+---
+name: phi_s32_s_loop_v_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_s_loop_v_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x80000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $vgpr0
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: G_BR %bb.1
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, %5(s32), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY2]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[PHI]](s32)
+ bb.0:
+ successors: %bb.1
+ liveins: $sgpr0, $sgpr1, $vgpr0
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $vgpr0
+ %3:_(s32) = G_CONSTANT i32 0
+ G_BR %bb.1
+
+ bb.1:
+ successors: %bb.1, %bb.2
+
+ %4:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ %5:_(s32) = COPY %2
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BRCOND %6, %bb.1
+ G_BR %bb.2
+
+ bb.2:
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %4
+
+...
+
+# Test a phi where an SGPR input is after the phi itself
+---
+name: phi_s32_s_loop_s_sbranch
+legalized: true
+tracksRegLiveness: true
+
+body: |
+ ; CHECK-LABEL: name: phi_s32_s_loop_s_sbranch
+ ; CHECK: bb.0:
+ ; CHECK: successors: %bb.1(0x80000000)
+ ; CHECK: liveins: $sgpr0, $sgpr1, $sgpr2
+ ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+ ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+ ; CHECK: G_BR %bb.1
+ ; CHECK: bb.1:
+ ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
+ ; CHECK: [[PHI:%[0-9]+]]:sgpr(s32) = G_PHI [[COPY]](s32), %bb.0, %5(s32), %bb.1
+ ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY [[COPY2]](s32)
+ ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
+ ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1
+ ; CHECK: G_BR %bb.2
+ ; CHECK: bb.2:
+ ; CHECK: S_SETPC_B64 undef $sgpr30_sgpr31, implicit [[PHI]](s32)
+ bb.0:
+ successors: %bb.1
+ liveins: $sgpr0, $sgpr1, $sgpr2
+
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s32) = COPY $sgpr1
+ %2:_(s32) = COPY $sgpr2
+ %3:_(s32) = G_CONSTANT i32 0
+ G_BR %bb.1
+
+ bb.1:
+ successors: %bb.1, %bb.2
+
+ %4:_(s32) = G_PHI %0, %bb.0, %5, %bb.1
+ %5:_(s32) = COPY %2
+ %6:_(s1) = G_ICMP intpred(eq), %1, %3
+ G_BRCOND %6, %bb.1
+ G_BR %bb.2
+
+ bb.2:
+ S_SETPC_B64 undef $sgpr30_sgpr31, implicit %4
+
+...
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