[llvm] 3ae4265 - Revert "[GlobalIsel][X86] Legalize G_CTPOP and G_CTLZ"
Thorsten Schütt via llvm-commits
llvm-commits at lists.llvm.org
Tue May 16 13:33:58 PDT 2023
Author: Thorsten Schütt
Date: 2023-05-16T22:33:39+02:00
New Revision: 3ae4265b48c51e6c05252607171b76e189fa2e4f
URL: https://github.com/llvm/llvm-project/commit/3ae4265b48c51e6c05252607171b76e189fa2e4f
DIFF: https://github.com/llvm/llvm-project/commit/3ae4265b48c51e6c05252607171b76e189fa2e4f.diff
LOG: Revert "[GlobalIsel][X86] Legalize G_CTPOP and G_CTLZ"
This reverts commit ef1f27d67c4ddc84f346d001af4914beb0ca6a1a.
Added:
Modified:
llvm/lib/Target/X86/X86LegalizerInfo.cpp
llvm/lib/Target/X86/X86LegalizerInfo.h
llvm/test/CodeGen/X86/GlobalISel/legalize-constant.mir
Removed:
llvm/test/CodeGen/X86/GlobalISel/legalize-bswap.mir
llvm/test/CodeGen/X86/GlobalISel/legalize-ctpop.mir
llvm/test/CodeGen/X86/GlobalISel/legalize-leading-zeros.mir
################################################################################
diff --git a/llvm/lib/Target/X86/X86LegalizerInfo.cpp b/llvm/lib/Target/X86/X86LegalizerInfo.cpp
index 71f704397a7c..dbe939709ff3 100644
--- a/llvm/lib/Target/X86/X86LegalizerInfo.cpp
+++ b/llvm/lib/Target/X86/X86LegalizerInfo.cpp
@@ -65,7 +65,6 @@ X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI,
setLegalizerInfoSSE1();
setLegalizerInfoSSE2();
setLegalizerInfoSSE41();
- setLegalizerInfoSSE42();
setLegalizerInfoAVX();
setLegalizerInfoAVX2();
setLegalizerInfoAVX512();
@@ -287,10 +286,6 @@ void X86LegalizerInfo::setLegalizerInfo64bit() {
LegacyLegalizeActions::Legal);
LegacyInfo.setAction({G_MERGE_VALUES, 1, s128}, LegacyLegalizeActions::Legal);
LegacyInfo.setAction({G_UNMERGE_VALUES, s128}, LegacyLegalizeActions::Legal);
- getActionDefinitionsBuilder(G_BSWAP)
- .legalFor({s32, s64})
- .widenScalarToNextPow2(1, /*Min=*/32)
- .clampScalar(0, s32, s64);
}
void X86LegalizerInfo::setLegalizerInfoSSE1() {
@@ -389,28 +384,6 @@ void X86LegalizerInfo::setLegalizerInfoSSE41() {
LegacyInfo.setAction({G_MUL, v4s32}, LegacyLegalizeActions::Legal);
}
-void X86LegalizerInfo::setLegalizerInfoSSE42() {
- if (!Subtarget.hasSSE42())
- return;
-
- const LLT s16 = LLT::scalar(16);
- const LLT s32 = LLT::scalar(32);
- const LLT s64 = LLT::scalar(64);
-
- // popcount
- getActionDefinitionsBuilder(G_CTPOP)
- .legalFor({{s16, s16}, {s32, s32}, {s64, s64}})
- .widenScalarToNextPow2(1, /*Min=*/16)
- .clampScalar(1, s16, s64);
-
- // count leading zeros (LZCNT)
- getActionDefinitionsBuilder(G_CTLZ)
- .legalFor({{s16, s16}, {s32, s32}, {s64, s64}})
- .widenScalarToNextPow2(1, /*Min=*/16)
- .clampScalar(1, s16, s64);
-}
-
-
void X86LegalizerInfo::setLegalizerInfoAVX() {
if (!Subtarget.hasAVX())
return;
diff --git a/llvm/lib/Target/X86/X86LegalizerInfo.h b/llvm/lib/Target/X86/X86LegalizerInfo.h
index cdde42faf5df..72d25096d72b 100644
--- a/llvm/lib/Target/X86/X86LegalizerInfo.h
+++ b/llvm/lib/Target/X86/X86LegalizerInfo.h
@@ -41,7 +41,6 @@ class X86LegalizerInfo : public LegalizerInfo {
void setLegalizerInfoSSE1();
void setLegalizerInfoSSE2();
void setLegalizerInfoSSE41();
- void setLegalizerInfoSSE42();
void setLegalizerInfoAVX();
void setLegalizerInfoAVX2();
void setLegalizerInfoAVX512();
diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-bswap.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-bswap.mir
deleted file mode 100644
index 3bfff3efdf86..000000000000
--- a/llvm/test/CodeGen/X86/GlobalISel/legalize-bswap.mir
+++ /dev/null
@@ -1,97 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
-# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s
-
-# test BSWAP s32 and s64
-
----
-name: test_bswap_s96
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_bswap_s96
- ; CHECK: [[DEF:%[0-9]+]]:_(s96) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[DEF]](s96)
- ; CHECK-NEXT: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[ANYEXT]]
- ; CHECK-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 -64
- ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BSWAP]], [[C]](s8)
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s96) = G_TRUNC [[LSHR]](s32)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s96) = COPY [[TRUNC]](s96)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s96)
- %0:_(s96) = IMPLICIT_DEF
- %1:_(s96) = G_BSWAP %0
- %2:_(s96) = COPY %1(s96)
- RET 0, implicit %2
-
-...
----
-name: test_bswaps64
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_bswaps64
- ; CHECK: [[DEF:%[0-9]+]]:_(s64) = IMPLICIT_DEF
- ; CHECK-NEXT: [[BSWAP:%[0-9]+]]:_(s64) = G_BSWAP [[DEF]]
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[BSWAP]](s64)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s64)
- %0:_(s64) = IMPLICIT_DEF
- %1:_(s64) = G_BSWAP %0
- %2:_(s64) = COPY %1(s64)
- RET 0, implicit %2
-
-...
----
-name: test_bswap_s32
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_bswap_s32
- ; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
- ; CHECK-NEXT: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[DEF]]
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[BSWAP]](s32)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s32)
- %0:_(s32) = IMPLICIT_DEF
- %1:_(s32) = G_BSWAP %0
- %2:_(s32) = COPY %1(s32)
- RET 0, implicit %2
-
-...
----
-name: test_bswap_s16
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_bswap_s16
- ; CHECK: [[DEF:%[0-9]+]]:_(s16) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[DEF]](s16)
- ; CHECK-NEXT: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[ANYEXT]]
- ; CHECK-NEXT: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 16
- ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BSWAP]], [[C]](s8)
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[TRUNC]](s16)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s16)
- %0:_(s16) = IMPLICIT_DEF
- %1:_(s16) = G_BSWAP %0
- %2:_(s16) = COPY %1(s16)
- RET 0, implicit %2
-
-...
diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-constant.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-constant.mir
index 1b982becb143..a8282af89910 100644
--- a/llvm/test/CodeGen/X86/GlobalISel/legalize-constant.mir
+++ b/llvm/test/CodeGen/X86/GlobalISel/legalize-constant.mir
@@ -19,30 +19,30 @@ body: |
bb.1 (%ir-block.0):
; X32-LABEL: name: test_constant
; X32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
- ; X32-NEXT: $eax = COPY [[C]](s32)
- ; X32-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
- ; X32-NEXT: $al = COPY [[C1]](s8)
- ; X32-NEXT: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 16
- ; X32-NEXT: $ax = COPY [[C2]](s16)
- ; X32-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
- ; X32-NEXT: $eax = COPY [[C3]](s32)
- ; X32-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
- ; X32-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
- ; X32-NEXT: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[C4]](s32), [[C5]](s32)
- ; X32-NEXT: $rax = COPY [[MV]](s64)
- ; X32-NEXT: RET 0
+ ; X32: $eax = COPY [[C]](s32)
+ ; X32: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
+ ; X32: $al = COPY [[C1]](s8)
+ ; X32: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 16
+ ; X32: $ax = COPY [[C2]](s16)
+ ; X32: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
+ ; X32: $eax = COPY [[C3]](s32)
+ ; X32: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
+ ; X32: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+ ; X32: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[C4]](s32), [[C5]](s32)
+ ; X32: $rax = COPY [[MV]](s64)
+ ; X32: RET 0
; X64-LABEL: name: test_constant
; X64: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
- ; X64-NEXT: $eax = COPY [[C]](s32)
- ; X64-NEXT: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
- ; X64-NEXT: $al = COPY [[C1]](s8)
- ; X64-NEXT: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 16
- ; X64-NEXT: $ax = COPY [[C2]](s16)
- ; X64-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
- ; X64-NEXT: $eax = COPY [[C3]](s32)
- ; X64-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
- ; X64-NEXT: $rax = COPY [[C4]](s64)
- ; X64-NEXT: RET 0
+ ; X64: $eax = COPY [[C]](s32)
+ ; X64: [[C1:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
+ ; X64: $al = COPY [[C1]](s8)
+ ; X64: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 16
+ ; X64: $ax = COPY [[C2]](s16)
+ ; X64: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
+ ; X64: $eax = COPY [[C3]](s32)
+ ; X64: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
+ ; X64: $rax = COPY [[C4]](s64)
+ ; X64: RET 0
%0(s1) = G_CONSTANT i1 1
%5:_(s32) = G_ANYEXT %0
$eax = COPY %5
@@ -71,14 +71,14 @@ body: |
; X32-LABEL: name: test_fconstant
; X32: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
- ; X32-NEXT: $eax = COPY [[C]](s32)
- ; X32-NEXT: [[C1:%[0-9]+]]:_(s64) = G_FCONSTANT double 2.000000e+00
- ; X32-NEXT: $rax = COPY [[C1]](s64)
+ ; X32: $eax = COPY [[C]](s32)
+ ; X32: [[C1:%[0-9]+]]:_(s64) = G_FCONSTANT double 2.000000e+00
+ ; X32: $rax = COPY [[C1]](s64)
; X64-LABEL: name: test_fconstant
; X64: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
- ; X64-NEXT: $eax = COPY [[C]](s32)
- ; X64-NEXT: [[C1:%[0-9]+]]:_(s64) = G_FCONSTANT double 2.000000e+00
- ; X64-NEXT: $rax = COPY [[C1]](s64)
+ ; X64: $eax = COPY [[C]](s32)
+ ; X64: [[C1:%[0-9]+]]:_(s64) = G_FCONSTANT double 2.000000e+00
+ ; X64: $rax = COPY [[C1]](s64)
%0(s32) = G_FCONSTANT float 1.0
$eax = COPY %0
%1(s64) = G_FCONSTANT double 2.0
diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-ctpop.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-ctpop.mir
deleted file mode 100644
index ab3af64552a5..000000000000
--- a/llvm/test/CodeGen/X86/GlobalISel/legalize-ctpop.mir
+++ /dev/null
@@ -1,114 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
-# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+sse4.2 -run-pass=legalizer %s -o - | FileCheck %s
-
-# test popcount for s16, s32, and s64
-
----
-name: test_ctpop35
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctpop35
- ; CHECK: [[DEF:%[0-9]+]]:_(s35) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[DEF]](s35)
- ; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s64) = G_CTPOP [[ZEXT]](s64)
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s35) = G_TRUNC [[CTPOP]](s64)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s35) = COPY [[TRUNC]](s35)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s35)
- %0:_(s35) = IMPLICIT_DEF
- %1:_(s35) = G_CTPOP %0
- %2:_(s35) = COPY %1(s35)
- RET 0, implicit %2
-
-...
----
-name: test_ctpop8
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctpop8
- ; CHECK: [[DEF:%[0-9]+]]:_(s8) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[DEF]](s8)
- ; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[ZEXT]](s16)
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[CTPOP]](s16)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY [[TRUNC]](s8)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s8)
- %0:_(s8) = IMPLICIT_DEF
- %1:_(s8) = G_CTPOP %0
- %2:_(s8) = COPY %1(s8)
- RET 0, implicit %2
-
-...
----
-name: test_ctpop64
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctpop64
- ; CHECK: [[DEF:%[0-9]+]]:_(s64) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s64) = G_CTPOP [[DEF]](s64)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[CTPOP]](s64)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s64)
- %0:_(s64) = IMPLICIT_DEF
- %1:_(s64) = G_CTPOP %0
- %2:_(s64) = COPY %1(s64)
- RET 0, implicit %2
-
-...
----
-name: test_ctpop32
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctpop32
- ; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s32) = G_CTPOP [[DEF]](s32)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[CTPOP]](s32)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s32)
- %0:_(s32) = IMPLICIT_DEF
- %1:_(s32) = G_CTPOP %0
- %2:_(s32) = COPY %1(s32)
- RET 0, implicit %2
-
-...
----
-name: test_ctpop16
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctpop16
- ; CHECK: [[DEF:%[0-9]+]]:_(s16) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[DEF]](s16)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[CTPOP]](s16)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s16)
- %0:_(s16) = IMPLICIT_DEF
- %1:_(s16) = G_CTPOP %0
- %2:_(s16) = COPY %1(s16)
- RET 0, implicit %2
-
-...
diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-leading-zeros.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-leading-zeros.mir
deleted file mode 100644
index 7e628482cc81..000000000000
--- a/llvm/test/CodeGen/X86/GlobalISel/legalize-leading-zeros.mir
+++ /dev/null
@@ -1,118 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
-# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+sse4.2 -run-pass=legalizer %s -o - | FileCheck %s
-
-# test count leading zeros for s16, s32, and s64
-
----
-name: test_ctlz35
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctlz35
- ; CHECK: [[DEF:%[0-9]+]]:_(s35) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[DEF]](s35)
- ; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[ZEXT]](s64)
- ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 29
- ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s64) = G_SUB [[CTLZ]], [[C]]
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s35) = G_TRUNC [[SUB]](s64)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s35) = COPY [[TRUNC]](s35)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s35)
- %0:_(s35) = IMPLICIT_DEF
- %1:_(s35) = G_CTLZ %0
- %2:_(s35) = COPY %1(s35)
- RET 0, implicit %2
-
-...
----
-name: test_ctlz8
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctlz8
- ; CHECK: [[DEF:%[0-9]+]]:_(s8) = IMPLICIT_DEF
- ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[DEF]](s8)
- ; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s16) = G_CTLZ [[ZEXT]](s16)
- ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
- ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s16) = G_SUB [[CTLZ]], [[C]]
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SUB]](s16)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY [[TRUNC]](s8)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s8)
- %0:_(s8) = IMPLICIT_DEF
- %1:_(s8) = G_CTLZ %0
- %2:_(s8) = COPY %1(s8)
- RET 0, implicit %2
-
-...
----
-name: test_ctlz64
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctlz64
- ; CHECK: [[DEF:%[0-9]+]]:_(s64) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[DEF]](s64)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[CTLZ]](s64)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s64)
- %0:_(s64) = IMPLICIT_DEF
- %1:_(s64) = G_CTLZ %0
- %2:_(s64) = COPY %1(s64)
- RET 0, implicit %2
-
-...
----
-name: test_ctlz32
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctlz32
- ; CHECK: [[DEF:%[0-9]+]]:_(s32) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[DEF]](s32)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[CTLZ]](s32)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s32)
- %0:_(s32) = IMPLICIT_DEF
- %1:_(s32) = G_CTLZ %0
- %2:_(s32) = COPY %1(s32)
- RET 0, implicit %2
-
-...
----
-name: test_ctlz16
-alignment: 16
-legalized: false
-regBankSelected: false
-registers:
- - { id: 0, class: _, preferred-register: '' }
- - { id: 1, class: _, preferred-register: '' }
-body: |
- bb.1:
- ; CHECK-LABEL: name: test_ctlz16
- ; CHECK: [[DEF:%[0-9]+]]:_(s16) = IMPLICIT_DEF
- ; CHECK-NEXT: [[CTLZ:%[0-9]+]]:_(s16) = G_CTLZ [[DEF]](s16)
- ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[CTLZ]](s16)
- ; CHECK-NEXT: RET 0, implicit [[COPY]](s16)
- %0:_(s16) = IMPLICIT_DEF
- %1:_(s16) = G_CTLZ %0
- %2:_(s16) = COPY %1(s16)
- RET 0, implicit %2
-
-...
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