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llvm-mirror/test/LTO/X86/triple-init.ll
Teresa Johnson 068b8bfafa [ThinLTO] Ensure the TargetLibraryInfo is constructed early enough
Summary:
Without this change, the WholeProgramDevirt pass, which requires the
TargetLibraryInfo, will construct one from the default triple.

Fixes PR38139.

Reviewers: pcc

Subscribers: mehdi_amini, inglorion, steven_wu, dexonsmith, llvm-commits

Differential Revision: https://reviews.llvm.org/D49278

llvm-svn: 337750
2018-07-23 21:58:19 +00:00

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886 B
LLVM

; 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,_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"
declare double @pow(double, double)
define double @main(double %x) {
; We check that LTO will be aware of target triple and apply pow to __exp10 transformation.
; CHECK: U ___exp10
%retval = call double @pow(double 10.0, double %x)
ret double %retval
}