[x86][Windows] Fix chromium build break - #111218
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tru merged 1 commit intoOct 11, 2024
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@llvm/pr-subscribers-backend-x86 Author: Farzon Lotfi (farzonl) ChangesWindows does not support float C89 math functions like:
This PR fixes the bug introduced by #98949 Full diff: https://github.com/llvm/llvm-project/pull/111218.diff 2 Files Affected:
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 45989bcd07d37e..10f269f8037784 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -2475,8 +2475,12 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
(Subtarget.isTargetWindowsMSVC() || Subtarget.isTargetWindowsItanium()))
// clang-format off
for (ISD::NodeType Op :
- {ISD::FCEIL, ISD::STRICT_FCEIL,
+ {ISD::FACOS, ISD::STRICT_FACOS,
+ ISD::FASIN, ISD::STRICT_FASIN,
+ ISD::FATAN, ISD::STRICT_FATAN,
+ ISD::FCEIL, ISD::STRICT_FCEIL,
ISD::FCOS, ISD::STRICT_FCOS,
+ ISD::FCOSH, ISD::STRICT_FCOSH,
ISD::FEXP, ISD::STRICT_FEXP,
ISD::FFLOOR, ISD::STRICT_FFLOOR,
ISD::FREM, ISD::STRICT_FREM,
@@ -2484,7 +2488,9 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
ISD::FLOG10, ISD::STRICT_FLOG10,
ISD::FPOW, ISD::STRICT_FPOW,
ISD::FSIN, ISD::STRICT_FSIN,
- ISD::FTAN, ISD::STRICT_FTAN})
+ ISD::FSINH, ISD::STRICT_FSINH,
+ ISD::FTAN, ISD::STRICT_FTAN,
+ ISD::FTANH, ISD::STRICT_FTANH})
if (isOperationExpand(Op, MVT::f32))
setOperationAction(Op, MVT::f32, Promote);
// clang-format on
diff --git a/llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll b/llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll
index cfec52c0e68863..5d4e86afc8aceb 100644
--- a/llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll
+++ b/llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll
@@ -177,6 +177,107 @@ define float @tan(float %x) #0 {
ret float %result
}
+define float @acos(float %x) #0 {
+; CHECK-LABEL: acos:
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _acos
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.acos.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
+define float @asin(float %x) #0 {
+; CHECK-LABEL: asin:
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _asin
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.asin.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
+define float @atan(float %x) #0 {
+; CHECK-LABEL: atan:
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _atan
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.atan.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
+define float @cosh(float %x) #0 {
+; CHECK-LABEL: cosh:
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _cosh
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.cosh.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
+define float @sinh(float %x) #0 {
+; CHECK-LABEL: sinh:
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _sinh
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.sinh.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
+define float @tanh(float %x) #0 {
+; CHECK: # %bb.0:
+; CHECK-NEXT: subl $12, %esp
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: fstpl (%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: calll _tanh
+; CHECK-NEXT: fstps {{[0-9]+}}(%esp)
+; CHECK-NEXT: flds {{[0-9]+}}(%esp)
+; CHECK-NEXT: wait
+; CHECK-NEXT: addl $12, %esp
+; CHECK-NEXT: retl
+ %result = call float @llvm.experimental.constrained.tanh.f32(float %x, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
+ ret float %result
+}
+
attributes #0 = { strictfp }
declare float @llvm.experimental.constrained.ceil.f32(float, metadata)
@@ -189,3 +290,9 @@ declare float @llvm.experimental.constrained.log10.f32(float, metadata, metadata
declare float @llvm.experimental.constrained.pow.f32(float, float, metadata, metadata)
declare float @llvm.experimental.constrained.sin.f32(float, metadata, metadata)
declare float @llvm.experimental.constrained.tan.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.acos.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.asin.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.atan.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.cosh.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.sinh.f32(float, metadata, metadata)
+declare float @llvm.experimental.constrained.tanh.f32(float, metadata, metadata)
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farzonl
commented
Oct 4, 2024
| ret float %result | ||
| } | ||
|
|
||
| define float @acos(float %x) #0 { |
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@efriedma-quic I'm looking at the commit history of this file:
https://github.com/llvm/llvm-project/commits/release/19.x/llvm/test/CodeGen/X86/fp-strict-libcalls-msvc32.ll
The auto cherry pick failed because I added the test for msvc out of order in 378fe2f
That commit added some vectorizations nothing that should impact the fix.
efriedma-quic
approved these changes
Oct 4, 2024
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LGTM. Fixes a regression, and should be low-risk (the fix only affects the exact functions on the exact target with the issue).
| ret float %result | ||
| } | ||
|
|
||
| define float @acos(float %x) #0 { |
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@efriedma-quic I don't have permissions to merge to the 19.x branch. If you think its ready please merge at your discression. |
Contributor
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I will merge it before then next release. Only the release managers can merge to the release branch. |
Windows does not support float C89 math functions like: - acosf - asinf - atanf - coshf - sinhf - tanhf These 6 libfuncs need to be type promoted. This PR fixes the bug introduced by llvm#98949
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@farzonl (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix. When you are done, please add the release:note label to this PR. |
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Windows does not support float C89 math functions like:
This PR fixes the bug introduced by #98949