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[RISCV][GISel] Add legalizer for G_UMAX, G_UMIN, G_SMAX, G_SMIN #69150

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Merged
sunshaoce merged 2 commits into from
Oct 17, 2023
Merged

[RISCV][GISel] Add legalizer for G_UMAX, G_UMIN, G_SMAX, G_SMIN #69150

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2105202
[RISCV][GISel] Add legalizer for G_UMAX,G_UMIN
Oct 16, 2023
f2f3d0f
add SMAX/SMIN
Oct 17, 2023
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1 change: 1 addition & 0 deletions llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
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Expand Up @@ -186,6 +186,7 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
}

getActionDefinitionsBuilder(G_ABS).lower();
getActionDefinitionsBuilder({G_UMAX, G_UMIN}).lower();
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@topperc topperc Oct 16, 2023

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Why not SMIN/SMAX too?

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@sunshaoce sunshaoce Oct 17, 2023

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Addressed. Thanks!


getActionDefinitionsBuilder(G_FRAME_INDEX).legalFor({p0});

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112 changes: 112 additions & 0 deletions llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umax.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s

---
name: umax_i8
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i8
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[AND]](s32), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s8) = G_TRUNC %0(s32)
%3:_(s8) = G_TRUNC %1(s32)
%4:_(s8) = G_UMAX %2, %3
%5:_(s32) = G_ZEXT %4(s8)
$x10 = COPY %5(s32)
PseudoRET implicit $x10
...

---
name: umax_i16
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i16
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[AND]](s32), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s16) = G_TRUNC %0(s32)
%3:_(s16) = G_TRUNC %1(s32)
%4:_(s16) = G_UMAX %2, %3
%5:_(s32) = G_ZEXT %4(s16)
$x10 = COPY %5(s32)
PseudoRET implicit $x10
...

---
name: umax_i32
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY]](s32), [[COPY1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: $x10 = COPY [[SELECT]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s32) = G_UMAX %0, %1
$x10 = COPY %2(s32)
PseudoRET implicit $x10
...

---
name: umax_i64
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i64
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $x12
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $x13
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY1]](s32), [[COPY3]]
; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY3]]
; CHECK-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[COPY]](s32), [[COPY2]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP1]], [[C]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[ICMP2]], [[ICMP]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C1]]
; CHECK-NEXT: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[COPY2]]
; CHECK-NEXT: $x10 = COPY [[SELECT1]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s32) = COPY $x12
%3:_(s32) = COPY $x13
%4:_(s64) = G_MERGE_VALUES %0(s32), %1(s32)
%5:_(s64) = G_MERGE_VALUES %2(s32), %3(s32)
%6:_(s64) = G_UMAX %4, %5
%7:_(s32) = G_TRUNC %6(s64)
$x10 = COPY %7(s32)
PseudoRET implicit $x10
...
112 changes: 112 additions & 0 deletions llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv32/legalize-umin.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s

---
name: umin_i8
body: |
bb.0.entry:
; CHECK-LABEL: name: umin_i8
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[AND]](s32), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s8) = G_TRUNC %0(s32)
%3:_(s8) = G_TRUNC %1(s32)
%4:_(s8) = G_UMIN %2, %3
%5:_(s32) = G_ZEXT %4(s8)
$x10 = COPY %5(s32)
PseudoRET implicit $x10
...

---
name: umin_i16
body: |
bb.0.entry:
; CHECK-LABEL: name: umin_i16
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[AND]](s32), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s16) = G_TRUNC %0(s32)
%3:_(s16) = G_TRUNC %1(s32)
%4:_(s16) = G_UMIN %2, %3
%5:_(s32) = G_ZEXT %4(s16)
$x10 = COPY %5(s32)
PseudoRET implicit $x10
...

---
name: umin_i32
body: |
bb.0.entry:
; CHECK-LABEL: name: umin_i32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY]](s32), [[COPY1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[COPY]], [[COPY1]]
; CHECK-NEXT: $x10 = COPY [[SELECT]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s32) = G_UMIN %0, %1
$x10 = COPY %2(s32)
PseudoRET implicit $x10
...

---
name: umin_i64
body: |
bb.0.entry:
; CHECK-LABEL: name: umin_i64
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $x12
; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $x13
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY1]](s32), [[COPY3]]
; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY3]]
; CHECK-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY]](s32), [[COPY2]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP1]], [[C]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[ICMP2]], [[ICMP]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SELECT]], [[C1]]
; CHECK-NEXT: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[COPY2]]
; CHECK-NEXT: $x10 = COPY [[SELECT1]](s32)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s32) = COPY $x10
%1:_(s32) = COPY $x11
%2:_(s32) = COPY $x12
%3:_(s32) = COPY $x13
%4:_(s64) = G_MERGE_VALUES %0(s32), %1(s32)
%5:_(s64) = G_MERGE_VALUES %2(s32), %3(s32)
%6:_(s64) = G_UMIN %4, %5
%7:_(s32) = G_TRUNC %6(s64)
$x10 = COPY %7(s32)
PseudoRET implicit $x10
...
109 changes: 109 additions & 0 deletions llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-umax.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv64 -run-pass=legalizer %s -o - | FileCheck %s

---
name: umax_i8
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i8
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 255
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s64) = COPY $x10
%1:_(s64) = COPY $x11
%2:_(s8) = G_TRUNC %0(s64)
%3:_(s8) = G_TRUNC %1(s64)
%4:_(s8) = G_UMAX %2, %3
%5:_(s64) = G_ZEXT %4(s8)
$x10 = COPY %5(s64)
PseudoRET implicit $x10
...

---
name: umax_i16
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i16
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 65535
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s64) = COPY $x10
%1:_(s64) = COPY $x11
%2:_(s16) = G_TRUNC %0(s64)
%3:_(s16) = G_TRUNC %1(s64)
%4:_(s16) = G_UMAX %2, %3
%5:_(s64) = G_ZEXT %4(s16)
$x10 = COPY %5(s64)
PseudoRET implicit $x10
...

---
name: umax_i32
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i32
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[COPY1]], [[C1]]
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[AND]](s64), [[AND1]]
; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C2]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND2]](s64), [[COPY]], [[COPY1]]
; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4294967295
; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[SELECT]], [[C3]]
; CHECK-NEXT: $x10 = COPY [[AND3]](s64)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s64) = COPY $x10
%1:_(s64) = COPY $x11
%2:_(s32) = G_TRUNC %0(s64)
%3:_(s32) = G_TRUNC %1(s64)
%4:_(s32) = G_UMAX %2, %3
%5:_(s64) = G_ZEXT %4(s32)
$x10 = COPY %5(s64)
PseudoRET implicit $x10
...

---
name: umax_i64
body: |
bb.0.entry:
; CHECK-LABEL: name: umax_i64
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s64) = G_ICMP intpred(ugt), [[COPY]](s64), [[COPY1]]
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[ICMP]], [[C]]
; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[AND]](s64), [[COPY]], [[COPY1]]
; CHECK-NEXT: $x10 = COPY [[SELECT]](s64)
; CHECK-NEXT: PseudoRET implicit $x10
%0:_(s64) = COPY $x10
%1:_(s64) = COPY $x11
%2:_(s64) = G_UMAX %0, %1
$x10 = COPY %2(s64)
PseudoRET implicit $x10
...
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