1 ; RUN: llc -regalloc=fast -optimize-regalloc=0 -no-integrated-as < %s | FileCheck %s
3 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"
4 target triple = "x86_64-unknown-linux-gnu"
6 @.str = private constant [23 x i8] c"This should be -1: %d\0A\00" ; <ptr> [#uses=1]
10 %retval = alloca i32, align 4 ; <ptr> [#uses=3]
11 %v = alloca i32, align 4 ; <ptr> [#uses=3]
12 store i32 0, ptr %retval
13 %zero = load i32, ptr %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]
20 %tmp = load i32, ptr %v ; <i32> [#uses=1]
21 %call1 = call i32 (ptr, ...) @printf(ptr @.str, i32 %tmp) ; <i32> [#uses=0]
22 store i32 0, ptr %retval
23 %1 = load i32, ptr %retval ; <i32> [#uses=1]
27 declare i32 @printf(ptr, ...)