Reenable sqrt IR generation test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82731 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2009-09-24 23:37:40 +00:00
parent 7e3720da38
commit 2bbcd33feb
2 changed files with 16 additions and 3 deletions

View File

@ -1,10 +1,11 @@
// RUN: %llvmgcc %s -S -o - -fno-math-errno | grep llvm.sqrt
// RUN: %llvmgcc %s -S -o - -fno-math-errno | FileCheck %s
// llvm.sqrt has undefined behavior on negative inputs, so it is
// inappropriate to translate C/C++ sqrt to this.
// XFAIL: *
#include <math.h>
float foo(float X) {
// Check that this compiles to llvm.sqrt when errno is ignored.
// CHECK: foo
// CHECK: sqrtf(float %1) nounwind readonly
// Check that this is marked readonly when errno is ignored.
return sqrtf(X);
}

View File

@ -0,0 +1,12 @@
// RUN: %llvmgcc %s -S -o - -fmath-errno | FileCheck %s
// llvm.sqrt has undefined behavior on negative inputs, so it is
// inappropriate to translate C/C++ sqrt to this.
#include <math.h>
float foo(float X) {
// CHECK: foo
// CHECK-NOT: readonly
// CHECK: return
// Check that this is not marked readonly when errno is used.
return sqrtf(X);
}