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[GISel] Add generic implementation for @llvm.expect.with.probability when optimizations are disabled #117835

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Merged
merged 3 commits into from
Nov 30, 2024
Merged

[GISel] Add generic implementation for @llvm.expect.with.probability when optimizations are disabled #117835

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747bc8a
[GISel] Add generic implementation for @llvm.expect.with.probability …
antangelo Nov 27, 2024
c8ac088
Merge branch 'main' of github.com:llvm/llvm-project into fix-llvm-exp…
antangelo Nov 27, 2024
dfcdc78
Replace generic test case with AArch64 MIR test
antangelo Nov 27, 2024
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1 change: 1 addition & 0 deletions llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2431,6 +2431,7 @@ bool IRTranslator::translateKnownIntrinsic(const CallInst &CI, Intrinsic::ID ID,
case Intrinsic::invariant_end:
return true;
case Intrinsic::expect:
case Intrinsic::expect_with_probability:
case Intrinsic::annotation:
case Intrinsic::ptr_annotation:
case Intrinsic::launder_invariant_group:
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5 changes: 2 additions & 3 deletions llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-no-op-intrinsics.ll
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Expand Up @@ -20,9 +20,8 @@ define i64 @expect_with_probability_i64(i64 %arg0) {
; CHECK-NEXT: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK-NEXT: [[INT:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.expect.with.probability), [[COPY]](s64), [[C]](s64), double 5.000000e-01
; CHECK-NEXT: $x0 = COPY [[INT]](s64)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY [[COPY]](s64)
; CHECK-NEXT: $x0 = COPY [[COPY1]](s64)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%expval = call i64 @llvm.expect.with.probability.i64(i64 %arg0, i64 1, double 0.5)
ret i64 %expval
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