[llvm] r272802 - [TargetLibraryInfo] Teach isValidProtoForLibFunc about tan

[David Majnemer via llvm-commits]

Author: majnemer
Date: Wed Jun 15 11:47:23 2016
New Revision: 272802

URL: http://llvm.org/viewvc/llvm-project?rev=272802&view=rev
Log:
[TargetLibraryInfo] Teach isValidProtoForLibFunc about tan

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

This fixes PR28143.

Added:
    llvm/trunk/test/Transforms/InstCombine/pr28143.ll
Modified:
    llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp

Modified: llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp?rev=272802&r1=272801&r2=272802&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/TargetLibraryInfo.cpp Wed Jun 15 11:47:23 2016
@@ -897,6 +897,9 @@ bool TargetLibraryInfoImpl::isValidProto
   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:

Added: llvm/trunk/test/Transforms/InstCombine/pr28143.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/pr28143.ll?rev=272802&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/pr28143.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/pr28143.ll Wed Jun 15 11:47:23 2016
@@ -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()