2018-07-24 05:58:19 +08:00
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; Test to ensure that the LTO pipelines add pass to build the TargetLibraryInfo
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; using the specified target triple.
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; Check with regular LTO
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; RUN: llvm-as < %s >%t1
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; RUN: llvm-lto -exported-symbol=main -o %t2 %t1
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; RUN: llvm-nm %t2 | FileCheck %s
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; Check with ThinLTO. Use llvm-lto2 since this adds earlier passes requiring
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; the TargetLibraryInfo with ThinLTO (WholeProgramDevirt).
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; RUN: opt -module-summary -o %t1 %s
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; RUN: llvm-lto2 run -r %t1,main,plx -o %t2 %t1
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; RUN: llvm-nm %t2.1 | FileCheck %s
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; We check that LTO will be aware of target triple and prevent exp2 to ldexpf
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; transformation on Windows.
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; CHECK: U exp2f
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2019-09-11 07:15:38 +08:00
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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2018-07-24 05:58:19 +08:00
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target triple = "x86_64-pc-windows-msvc19.11.0"
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define dso_local i32 @main(i32 %argc, i8** nocapture readnone %argv) local_unnamed_addr {
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entry:
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%conv = sitofp i32 %argc to float
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%exp2 = tail call float @llvm.exp2.f32(float %conv)
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%conv1 = fptosi float %exp2 to i32
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ret i32 %conv1
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}
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; Function Attrs: nounwind readnone speculatable
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declare float @llvm.exp2.f32(float)
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