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| author | Chris Lattner <sabre@nondot.org> | 2008-02-21 19:43:13 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-02-21 19:43:13 +0000 |
| commit | 0fe71e9bb19ff1781813184e41a8aaaae4dd2908 (patch) | |
| tree | 272f1d5ab47116ef0380bdd70dd6e6bb4bd5ad3a /test | |
| parent | 1d5e8196c02ade7d2253165e99436ce415de9fda (diff) | |
| download | external_llvm-0fe71e9bb19ff1781813184e41a8aaaae4dd2908.zip external_llvm-0fe71e9bb19ff1781813184e41a8aaaae4dd2908.tar.gz external_llvm-0fe71e9bb19ff1781813184e41a8aaaae4dd2908.tar.bz2 | |
Treat clobber operands like early clobbers: if we have
any, we force sdisel to do all regalloc for an asm. This
leads to gross but correct codegen.
This fixes the rest of PR2078.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47454 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll b/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll index 94f4e18..d49d5bf 100644 --- a/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll +++ b/test/CodeGen/X86/2008-02-20-InlineAsmClobber.ll @@ -1,4 +1,5 @@ -; RUN: llvm-as < %s | llc | grep {%ecx %ecx} +; RUN: llvm-as < %s | llc | grep {a: %ecx %ecx} +; RUN: llvm-as < %s | llc | grep {b: %ecx %edx %ecx} ; PR2078 ; The clobber list says that "ax" is clobbered. Make sure that eax isn't ; allocated to the input/output register. @@ -9,7 +10,15 @@ target triple = "i386-apple-darwin8" define void @test() nounwind { entry: %tmp = load i32* @pixels, align 4 ; <i32> [#uses=1] - %tmp1 = tail call i32 asm sideeffect "$0 $1", "=r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i32 %tmp ) nounwind ; <i32> [#uses=1] + %tmp1 = tail call i32 asm sideeffect "a: $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i32 %tmp ) nounwind ; <i32> [#uses=1] store i32 %tmp1, i32* @pixels, align 4 ret void } + +define void @test2(i16* %block, i8* %pixels, i32 %line_size) nounwind { +entry: + %tmp1 = getelementptr i16* %block, i32 64 ; <i16*> [#uses=1] + %tmp3 = tail call i8* asm sideeffect "b: $0 $1 $2", "=r,r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i16* %tmp1, i8* %pixels ) nounwind ; <i8*> [#uses=0] + ret void +} + |