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Diffstat (limited to 'test/CodeGen/X86/inline-asm-fpstack2.ll')
-rw-r--r-- | test/CodeGen/X86/inline-asm-fpstack2.ll | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/test/CodeGen/X86/inline-asm-fpstack2.ll b/test/CodeGen/X86/inline-asm-fpstack2.ll index ffa6ee6..78037e0 100644 --- a/test/CodeGen/X86/inline-asm-fpstack2.ll +++ b/test/CodeGen/X86/inline-asm-fpstack2.ll @@ -1,10 +1,21 @@ -; RUN: llc < %s -march=x86 > %t -; RUN: grep {fld %%st(0)} %t +; RUN: llc < %s -march=x86 | FileCheck %s ; PR4185 +; Passing a non-killed value to asm in {st}. +; Make sure it is duped before. +; asm kills st(0), so we shouldn't pop anything +; CHECK: fld %st(0) +; CHECK: fistpl +; CHECK-NOT: fstp +; CHECK: fistpl +; CHECK-NOT: fstp +; CHECK: ret define void @test() { return: call void asm sideeffect "fistpl $0", "{st}"(double 1.000000e+06) call void asm sideeffect "fistpl $0", "{st}"(double 1.000000e+06) ret void } + +; A valid alternative would be to remat the constant pool load before each +; inline asm. |