diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/PassManagerBuilder.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/LTO/X86/triple-init.ll | 11 | ||||
| -rw-r--r-- | llvm/test/LTO/X86/triple-init2.ll | 31 |
3 files changed, 43 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp index 52fdc737a75..5ced6481996 100644 --- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -903,6 +903,8 @@ void PassManagerBuilder::addLateLTOOptimizationPasses( void PassManagerBuilder::populateThinLTOPassManager( legacy::PassManagerBase &PM) { PerformThinLTO = true; + if (LibraryInfo) + PM.add(new TargetLibraryInfoWrapperPass(*LibraryInfo)); if (VerifyInput) PM.add(createVerifierPass()); diff --git a/llvm/test/LTO/X86/triple-init.ll b/llvm/test/LTO/X86/triple-init.ll index 7e45952b4e0..4c45dd1e755 100644 --- a/llvm/test/LTO/X86/triple-init.ll +++ b/llvm/test/LTO/X86/triple-init.ll @@ -1,6 +1,15 @@ +; Test to ensure that the LTO pipelines add pass to build the TargetLibraryInfo +; using the specified target triple. + +; Check with regular LTO ; RUN: llvm-as < %s >%t1 ; RUN: llvm-lto -exported-symbol=_main -o %t2 %t1 -; RUN: llvm-nm %t2 | FileCheck %s +; RUN: llvm-nm %t2 | FileCheck %s +; Check with ThinLTO. Use llvm-lto2 since this adds earlier passes requiring +; the TargetLibraryInfo with ThinLTO (WholeProgramDevirt). +; RUN: opt -module-summary -o %t1 %s +; RUN: llvm-lto2 run -r %t1,_pow, -r %t1,_main,plx -o %t2 %t1 +; RUN: llvm-nm %t2.1 | FileCheck %s target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.9" diff --git a/llvm/test/LTO/X86/triple-init2.ll b/llvm/test/LTO/X86/triple-init2.ll new file mode 100644 index 00000000000..a6ff12d11fd --- /dev/null +++ b/llvm/test/LTO/X86/triple-init2.ll @@ -0,0 +1,31 @@ +; Test to ensure that the LTO pipelines add pass to build the TargetLibraryInfo +; using the specified target triple. + +; Check with regular LTO +; RUN: llvm-as < %s >%t1 +; RUN: llvm-lto -exported-symbol=main -o %t2 %t1 +; RUN: llvm-nm %t2 | FileCheck %s +; Check with ThinLTO. Use llvm-lto2 since this adds earlier passes requiring +; the TargetLibraryInfo with ThinLTO (WholeProgramDevirt). +; RUN: opt -module-summary -o %t1 %s +; RUN: llvm-lto2 run -r %t1,main,plx -o %t2 %t1 +; RUN: llvm-nm %t2.1 | FileCheck %s + +; We check that LTO will be aware of target triple and prevent exp2 to ldexpf +; transformation on Windows. +; CHECK: U exp2f + +target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc19.11.0" + +define dso_local i32 @main(i32 %argc, i8** nocapture readnone %argv) local_unnamed_addr { +entry: + %conv = sitofp i32 %argc to float + %exp2 = tail call float @llvm.exp2.f32(float %conv) + %conv1 = fptosi float %exp2 to i32 + ret i32 %conv1 +} + +; Function Attrs: nounwind readnone speculatable +declare float @llvm.exp2.f32(float) + |
