[llvm] 247eb13 - [RISCV][GISel] Legalize G_BITREVERSE.
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 9 16:27:34 PST 2023
Author: Craig Topper
Date: 2023-11-09T16:27:21-08:00
New Revision: 247eb13fab23aefaa09e522ca263acf1597fba27
URL: https://github.com/llvm/llvm-project/commit/247eb13fab23aefaa09e522ca263acf1597fba27
DIFF: https://github.com/llvm/llvm-project/commit/247eb13fab23aefaa09e522ca263acf1597fba27.diff
LOG: [RISCV][GISel] Legalize G_BITREVERSE.
Added:
llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-bitreverse.mir
llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-bitreverse.mir
Modified:
llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
Removed:
################################################################################
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
index 23a518c8694380e..335aa5d45776ba2 100644
--- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
+++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
@@ -76,7 +76,9 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
.clampScalar(BigTyIdx, sXLen, sXLen);
}
- getActionDefinitionsBuilder(G_BSWAP).maxScalar(0, sXLen).lower();
+ getActionDefinitionsBuilder({G_BSWAP, G_BITREVERSE})
+ .maxScalar(0, sXLen)
+ .lower();
getActionDefinitionsBuilder({G_CONSTANT, G_IMPLICIT_DEF})
.legalFor({s32, sXLen, p0})
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-bitreverse.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-bitreverse.mir
new file mode 100644
index 000000000000000..5044514babe54ae
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-bitreverse.mir
@@ -0,0 +1,250 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
+# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: bitreverse_i8
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i8
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C1]]
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -16
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[AND1]], [[C4]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -52
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C6]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[AND4]], [[C7]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C6]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND6]]
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 -86
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C9]]
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s32) = G_AND [[AND7]], [[C10]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[C8]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C8]](s32)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C9]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND9]]
+ ; CHECK-NEXT: $x10 = COPY [[OR3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %1:_(s32) = COPY $x10
+ %0:_(s8) = G_TRUNC %1(s32)
+ %2:_(s8) = G_BITREVERSE %0
+ %3:_(s32) = G_ANYEXT %2(s8)
+ $x10 = COPY %3(s32)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i16
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i16
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C1]]
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -3856
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[AND1]], [[C4]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -13108
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C6]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[AND4]], [[C7]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C6]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND6]]
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 -21846
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C9]]
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s32) = G_AND [[AND7]], [[C10]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[C8]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C8]](s32)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C9]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND9]]
+ ; CHECK-NEXT: $x10 = COPY [[OR3]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %1:_(s32) = COPY $x10
+ %0:_(s16) = G_TRUNC %1(s32)
+ %2:_(s16) = G_BITREVERSE %0
+ %3:_(s32) = G_ANYEXT %2(s16)
+ $x10 = COPY %3(s32)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i32
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i32
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C1]]
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[LSHR1]], [[C1]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[AND1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C4]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C3]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C3]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C4]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C6]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C6]]
+ ; CHECK-NEXT: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND5]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C8]]
+ ; CHECK-NEXT: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C7]](s32)
+ ; CHECK-NEXT: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C7]](s32)
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C8]]
+ ; CHECK-NEXT: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND7]]
+ ; CHECK-NEXT: $x10 = COPY [[OR5]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s32) = COPY $x10
+ %1:_(s32) = G_BITREVERSE %0
+ $x10 = COPY %1(s32)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i64
+body: |
+ bb.1:
+ liveins: $x10, $x11
+
+ ; CHECK-LABEL: name: bitreverse_i64
+ ; CHECK: liveins: $x10, $x11
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY1]], [[C]](s32)
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[LSHR1]], [[C1]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[AND1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C4]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C3]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C3]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C4]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C6]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C6]]
+ ; CHECK-NEXT: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND5]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C8]]
+ ; CHECK-NEXT: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C7]](s32)
+ ; CHECK-NEXT: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C7]](s32)
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C8]]
+ ; CHECK-NEXT: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND7]]
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
+ ; CHECK-NEXT: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C9]](s32)
+ ; CHECK-NEXT: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C9]](s32)
+ ; CHECK-NEXT: [[OR6:%[0-9]+]]:_(s32) = G_OR [[LSHR5]], [[SHL5]]
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
+ ; CHECK-NEXT: [[C11:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C10]]
+ ; CHECK-NEXT: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND8]], [[C11]](s32)
+ ; CHECK-NEXT: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL6]]
+ ; CHECK-NEXT: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C11]](s32)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s32) = G_AND [[LSHR6]], [[C10]]
+ ; CHECK-NEXT: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[AND9]]
+ ; CHECK-NEXT: [[C12:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C13:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
+ ; CHECK-NEXT: [[AND10:%[0-9]+]]:_(s32) = G_AND [[OR8]], [[C13]]
+ ; CHECK-NEXT: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[AND10]], [[C12]](s32)
+ ; CHECK-NEXT: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[OR8]], [[C12]](s32)
+ ; CHECK-NEXT: [[AND11:%[0-9]+]]:_(s32) = G_AND [[SHL7]], [[C13]]
+ ; CHECK-NEXT: [[OR9:%[0-9]+]]:_(s32) = G_OR [[LSHR7]], [[AND11]]
+ ; CHECK-NEXT: [[C14:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C15:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
+ ; CHECK-NEXT: [[AND12:%[0-9]+]]:_(s32) = G_AND [[OR9]], [[C15]]
+ ; CHECK-NEXT: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[AND12]], [[C14]](s32)
+ ; CHECK-NEXT: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[OR9]], [[C14]](s32)
+ ; CHECK-NEXT: [[AND13:%[0-9]+]]:_(s32) = G_AND [[SHL8]], [[C15]]
+ ; CHECK-NEXT: [[OR10:%[0-9]+]]:_(s32) = G_OR [[LSHR8]], [[AND13]]
+ ; CHECK-NEXT: [[C16:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C17:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
+ ; CHECK-NEXT: [[AND14:%[0-9]+]]:_(s32) = G_AND [[OR10]], [[C17]]
+ ; CHECK-NEXT: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[AND14]], [[C16]](s32)
+ ; CHECK-NEXT: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[OR10]], [[C16]](s32)
+ ; CHECK-NEXT: [[AND15:%[0-9]+]]:_(s32) = G_AND [[SHL9]], [[C17]]
+ ; CHECK-NEXT: [[OR11:%[0-9]+]]:_(s32) = G_OR [[LSHR9]], [[AND15]]
+ ; CHECK-NEXT: $x10 = COPY [[OR5]](s32)
+ ; CHECK-NEXT: $x11 = COPY [[OR11]](s32)
+ ; CHECK-NEXT: PseudoRET implicit $x10, implicit $x11
+ %1:_(s32) = COPY $x10
+ %2:_(s32) = COPY $x11
+ %0:_(s64) = G_MERGE_VALUES %1(s32), %2(s32)
+ %3:_(s64) = G_BITREVERSE %0
+ %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %3(s64)
+ $x10 = COPY %4(s32)
+ $x11 = COPY %5(s32)
+ PseudoRET implicit $x10, implicit $x11
+
+...
diff --git a/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-bitreverse.mir b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-bitreverse.mir
new file mode 100644
index 000000000000000..b05ea40ab7b9e30
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-bitreverse.mir
@@ -0,0 +1,237 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
+# RUN: llc -mtriple=riscv64 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: bitreverse_i8
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i8
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[TRUNC]], [[C]](s32)
+ ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C1]]
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -16
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[AND1]], [[C4]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -52
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C6]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[AND4]], [[C7]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C6]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND6]]
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 -86
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C9]]
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s32) = G_AND [[AND7]], [[C10]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[C8]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C8]](s32)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C9]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND9]]
+ ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[OR3]](s32)
+ ; CHECK-NEXT: $x10 = COPY [[ANYEXT]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %1:_(s64) = COPY $x10
+ %0:_(s8) = G_TRUNC %1(s64)
+ %2:_(s8) = G_BITREVERSE %0
+ %3:_(s64) = G_ANYEXT %2(s8)
+ $x10 = COPY %3(s64)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i16
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i16
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[TRUNC]], [[C]](s32)
+ ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C1]]
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -3856
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[AND1]], [[C4]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -13108
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C6]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[AND4]], [[C7]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C6]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND6]]
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 -21846
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C9]]
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s32) = G_AND [[AND7]], [[C10]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[C8]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C8]](s32)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C9]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND9]]
+ ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[OR3]](s32)
+ ; CHECK-NEXT: $x10 = COPY [[ANYEXT]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %1:_(s64) = COPY $x10
+ %0:_(s16) = G_TRUNC %1(s64)
+ %2:_(s16) = G_BITREVERSE %0
+ %3:_(s64) = G_ANYEXT %2(s16)
+ $x10 = COPY %3(s64)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i32
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i32
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[TRUNC]], [[C]](s32)
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[TRUNC]], [[C]](s32)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C1]]
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[TRUNC]], [[C2]](s32)
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[LSHR1]], [[C1]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[AND1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C4]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C3]](s32)
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C3]](s32)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C4]]
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C6]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C5]](s32)
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C5]](s32)
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C6]]
+ ; CHECK-NEXT: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND5]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C8]]
+ ; CHECK-NEXT: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C7]](s32)
+ ; CHECK-NEXT: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C7]](s32)
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C8]]
+ ; CHECK-NEXT: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND7]]
+ ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[OR5]](s32)
+ ; CHECK-NEXT: $x10 = COPY [[ANYEXT]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %1:_(s64) = COPY $x10
+ %0:_(s32) = G_TRUNC %1(s64)
+ %2:_(s32) = G_BITREVERSE %0
+ %3:_(s64) = G_ANYEXT %2(s32)
+ $x10 = COPY %3(s64)
+ PseudoRET implicit $x10
+
+...
+---
+name: bitreverse_i64
+body: |
+ bb.1:
+ liveins: $x10
+
+ ; CHECK-LABEL: name: bitreverse_i64
+ ; CHECK: liveins: $x10
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 56
+ ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[COPY]], [[C]](s64)
+ ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY]], [[C]](s64)
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s64) = G_OR [[LSHR]], [[SHL]]
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 65280
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 40
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C1]]
+ ; CHECK-NEXT: [[SHL1:%[0-9]+]]:_(s64) = G_SHL [[AND]], [[C2]](s64)
+ ; CHECK-NEXT: [[OR1:%[0-9]+]]:_(s64) = G_OR [[OR]], [[SHL1]]
+ ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s64) = G_LSHR [[COPY]], [[C2]](s64)
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[LSHR1]], [[C1]]
+ ; CHECK-NEXT: [[OR2:%[0-9]+]]:_(s64) = G_OR [[OR1]], [[AND1]]
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 16711680
+ ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
+ ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C3]]
+ ; CHECK-NEXT: [[SHL2:%[0-9]+]]:_(s64) = G_SHL [[AND2]], [[C4]](s64)
+ ; CHECK-NEXT: [[OR3:%[0-9]+]]:_(s64) = G_OR [[OR2]], [[SHL2]]
+ ; CHECK-NEXT: [[LSHR2:%[0-9]+]]:_(s64) = G_LSHR [[COPY]], [[C4]](s64)
+ ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[LSHR2]], [[C3]]
+ ; CHECK-NEXT: [[OR4:%[0-9]+]]:_(s64) = G_OR [[OR3]], [[AND3]]
+ ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 -16777216
+ ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
+ ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C5]]
+ ; CHECK-NEXT: [[SHL3:%[0-9]+]]:_(s64) = G_SHL [[AND4]], [[C6]](s64)
+ ; CHECK-NEXT: [[OR5:%[0-9]+]]:_(s64) = G_OR [[OR4]], [[SHL3]]
+ ; CHECK-NEXT: [[LSHR3:%[0-9]+]]:_(s64) = G_LSHR [[COPY]], [[C6]](s64)
+ ; CHECK-NEXT: [[AND5:%[0-9]+]]:_(s64) = G_AND [[LSHR3]], [[C5]]
+ ; CHECK-NEXT: [[OR6:%[0-9]+]]:_(s64) = G_OR [[OR5]], [[AND5]]
+ ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
+ ; CHECK-NEXT: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1085102592571150096
+ ; CHECK-NEXT: [[AND6:%[0-9]+]]:_(s64) = G_AND [[OR6]], [[C8]]
+ ; CHECK-NEXT: [[LSHR4:%[0-9]+]]:_(s64) = G_LSHR [[AND6]], [[C7]](s64)
+ ; CHECK-NEXT: [[SHL4:%[0-9]+]]:_(s64) = G_SHL [[OR6]], [[C7]](s64)
+ ; CHECK-NEXT: [[AND7:%[0-9]+]]:_(s64) = G_AND [[SHL4]], [[C8]]
+ ; CHECK-NEXT: [[OR7:%[0-9]+]]:_(s64) = G_OR [[LSHR4]], [[AND7]]
+ ; CHECK-NEXT: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
+ ; CHECK-NEXT: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 -3689348814741910324
+ ; CHECK-NEXT: [[AND8:%[0-9]+]]:_(s64) = G_AND [[OR7]], [[C10]]
+ ; CHECK-NEXT: [[LSHR5:%[0-9]+]]:_(s64) = G_LSHR [[AND8]], [[C9]](s64)
+ ; CHECK-NEXT: [[SHL5:%[0-9]+]]:_(s64) = G_SHL [[OR7]], [[C9]](s64)
+ ; CHECK-NEXT: [[AND9:%[0-9]+]]:_(s64) = G_AND [[SHL5]], [[C10]]
+ ; CHECK-NEXT: [[OR8:%[0-9]+]]:_(s64) = G_OR [[LSHR5]], [[AND9]]
+ ; CHECK-NEXT: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 -6148914691236517206
+ ; CHECK-NEXT: [[AND10:%[0-9]+]]:_(s64) = G_AND [[OR8]], [[C12]]
+ ; CHECK-NEXT: [[LSHR6:%[0-9]+]]:_(s64) = G_LSHR [[AND10]], [[C11]](s64)
+ ; CHECK-NEXT: [[SHL6:%[0-9]+]]:_(s64) = G_SHL [[OR8]], [[C11]](s64)
+ ; CHECK-NEXT: [[AND11:%[0-9]+]]:_(s64) = G_AND [[SHL6]], [[C12]]
+ ; CHECK-NEXT: [[OR9:%[0-9]+]]:_(s64) = G_OR [[LSHR6]], [[AND11]]
+ ; CHECK-NEXT: $x10 = COPY [[OR9]](s64)
+ ; CHECK-NEXT: PseudoRET implicit $x10
+ %0:_(s64) = COPY $x10
+ %1:_(s64) = G_BITREVERSE %0
+ $x10 = COPY %1(s64)
+ PseudoRET implicit $x10
+
+...
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