1 ; RUN: llc -no-integrated-as < %s | FileCheck %s 2 ; PR2078 3 ; The clobber list says that "ax" is clobbered. Make sure that eax isn't 4 ; allocated to the input/output register. 5 target 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" 6 target triple = "i386-apple-darwin8" 7 @pixels = weak global i32 0 ; <i32*> [#uses=2] 8 9 define void @test() nounwind { 10 entry: 11 %tmp = load i32, i32* @pixels, align 4 ; <i32> [#uses=1] 12 %tmp1 = tail call i32 asm sideeffect "a: $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i32 %tmp ) nounwind ; <i32> [#uses=1] 13 store i32 %tmp1, i32* @pixels, align 4 14 ret void 15 } 16 17 ; CHECK: a: 18 ; CHECK-NOT: ax 19 ; CHECK: {{$}} 20 21 define void @test2(i16* %block, i8* %pixels, i32 %line_size) nounwind { 22 entry: 23 %tmp1 = getelementptr i16, i16* %block, i32 64 ; <i16*> [#uses=1] 24 %tmp3 = tail call i8* asm sideeffect "b: $0 $1 $2", "=r,r,0,~{dirflag},~{fpsr},~{flags},~{ax}"( i16* %tmp1, i8* %pixels ) nounwind ; <i8*> [#uses=0] 25 ret void 26 } 27 28 ; CHECK: b: 29 ; CHECK-NOT: ax 30 ; CHECK: {{$}} 31
