1; RUN: llc < %s | grep {a:} | not grep ax 2; RUN: llc < %s | grep {b:} | not grep ax 3; PR2078 4; The clobber list says that "ax" is clobbered. Make sure that eax isn't 5; allocated to the input/output register. 6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 7target triple = "i386-apple-darwin8" 8@pixels = weak global i32 0 ; <i32*> [#uses=2] 9 10define void @test() nounwind { 11entry: 12 %tmp = load i32* @pixels, align 4 ; <i32> [#uses=1] 13 %tmp1 = tail call i32 asm sideeffect "a: $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i32 %tmp ) nounwind ; <i32> [#uses=1] 14 store i32 %tmp1, i32* @pixels, align 4 15 ret void 16} 17 18define void @test2(i16* %block, i8* %pixels, i32 %line_size) nounwind { 19entry: 20 %tmp1 = getelementptr i16* %block, i32 64 ; <i16*> [#uses=1] 21 %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] 22 ret void 23} 24 25