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[TargetLibraryInfo] Teach isValidProtoForLibFunc about tan

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We would fail to validate the type of the tan function which would cause
downstream users of isValidProtoForLibFunc to assert.

This fixes PR28143.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272802 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2016-06-15 16:47:23 +00:00
parent 746c3b7ff4
commit 7f26e26d0c
2 changed files with 15 additions and 0 deletions
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3
lib/Analysis/TargetLibraryInfo.cpp
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@ -897,6 +897,9 @@ bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
case LibFunc::cos:
case LibFunc::cosf:
case LibFunc::cosl:
case LibFunc::tan:
case LibFunc::tanf:
case LibFunc::tanl:
case LibFunc::exp:
case LibFunc::expf:
case LibFunc::expl:

12
test/Transforms/InstCombine/pr28143.ll Normal file
View File

@ -0,0 +1,12 @@
; RUN: opt -S -instcombine < %s | FileCheck %s
define void @test1() {
entry:
call void @tan()
ret void
}
; CHECK-LABEL: define void @test1(
; CHECK: call void @tan()
; CHECK-NEXT: ret void
declare void @tan()