| ; RUN: llc -regalloc=fast < %s | FileCheck %s |
| ; PR7382 |
| target 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @.str = private constant [23 x i8] c"This should be -1: %d\0A\00" ; <[23 x i8]*> [#uses=1] |
| |
| define i32 @main() { |
| entry: |
| %retval = alloca i32, align 4 ; <i32*> [#uses=3] |
| %v = alloca i32, align 4 ; <i32*> [#uses=3] |
| store i32 0, i32* %retval |
| %zero = load i32* %retval |
| ; The earlyclobber register EC0 should not be spilled before the inline asm. |
| ; Yes, check-not can refer to FileCheck variables defined in the future. |
| ; CHECK-NOT: [[EC0]]{{.*}}(%rsp) |
| ; CHECK: bsr {{[^,]*}}, [[EC0:%...]] |
| %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] |
| store i32 %0, i32* %v |
| %tmp = load i32* %v ; <i32> [#uses=1] |
| %call1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([23 x i8]* @.str, i32 0, i32 0), i32 %tmp) ; <i32> [#uses=0] |
| store i32 0, i32* %retval |
| %1 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %0 |
| } |
| |
| declare i32 @printf(i8*, ...) |
| |
| !0 = metadata !{i32 191} |