1; RUN: llc -regalloc=fast -optimize-regalloc=0 -no-integrated-as < %s | FileCheck %s 2; PR7382 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4target triple = "x86_64-unknown-linux-gnu" 5 6@.str = private constant [23 x i8] c"This should be -1: %d\0A\00" ; <[23 x i8]*> [#uses=1] 7 8define i32 @main() { 9entry: 10 %retval = alloca i32, align 4 ; <i32*> [#uses=3] 11 %v = alloca i32, align 4 ; <i32*> [#uses=3] 12 store i32 0, i32* %retval 13 %zero = load i32, i32* %retval 14; The earlyclobber register EC0 should not be spilled before the inline asm. 15; Yes, check-not can refer to FileCheck variables defined in the future. 16; CHECK-NOT: [[EC0]]{{.*}}(%rsp) 17; CHECK: bsr {{[^,]*}}, [[EC0:%...]] 18 %0 = call i32 asm "bsr $1, $0\0A\09cmovz $2, $0", "=&r,ro,r,~{cc},~{dirflag},~{fpsr},~{flags}"(i32 %zero, i32 -1) nounwind, !srcloc !0 ; <i32> [#uses=1] 19 store i32 %0, i32* %v 20 %tmp = load i32, i32* %v ; <i32> [#uses=1] 21 %call1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0), i32 %tmp) ; <i32> [#uses=0] 22 store i32 0, i32* %retval 23 %1 = load i32, i32* %retval ; <i32> [#uses=1] 24 ret i32 %0 25} 26 27declare i32 @printf(i8*, ...) 28 29!0 = !{i32 191} 30