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Reenable sqrt IR generation test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82731 91177308-0d34-0410-b5e6-96231b3b80d8
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// RUN: %llvmgcc %s -S -o - -fno-math-errno | grep llvm.sqrt
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// RUN: %llvmgcc %s -S -o - -fno-math-errno | FileCheck %s
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// llvm.sqrt has undefined behavior on negative inputs, so it is
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// inappropriate to translate C/C++ sqrt to this.
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// XFAIL: *
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#include <math.h>
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float foo(float X) {
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// Check that this compiles to llvm.sqrt when errno is ignored.
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// CHECK: foo
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// CHECK: sqrtf(float %1) nounwind readonly
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// Check that this is marked readonly when errno is ignored.
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return sqrtf(X);
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}
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12
test/FrontendC/2009-09-24-SqrtErrno.c
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12
test/FrontendC/2009-09-24-SqrtErrno.c
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@ -0,0 +1,12 @@
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// RUN: %llvmgcc %s -S -o - -fmath-errno | FileCheck %s
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// llvm.sqrt has undefined behavior on negative inputs, so it is
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// inappropriate to translate C/C++ sqrt to this.
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#include <math.h>
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float foo(float X) {
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// CHECK: foo
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// CHECK-NOT: readonly
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// CHECK: return
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// Check that this is not marked readonly when errno is used.
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return sqrtf(X);
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}
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