1 ; RUN: llvm-as < %s | llc -march=x86 -regalloc=local | grep {subl %eax, %edx}
3 ; Local regalloc shouldn't assume that both the uses of the
4 ; sub instruction are kills, because one of them is tied
5 ; to an output. Previously, it was allocating both inputs
6 ; in the same register.
8 define i32 @func_3() nounwind {
10 %retval = alloca i32 ; <i32*> [#uses=2]
11 %g_323 = alloca i8 ; <i8*> [#uses=2]
12 %p_5 = alloca i64, align 8 ; <i64*> [#uses=2]
13 %0 = alloca i32 ; <i32*> [#uses=2]
14 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
15 store i64 0, i64* %p_5, align 8
16 store i8 1, i8* %g_323, align 1
17 %1 = load i8* %g_323, align 1 ; <i8> [#uses=1]
18 %2 = sext i8 %1 to i64 ; <i64> [#uses=1]
19 %3 = load i64* %p_5, align 8 ; <i64> [#uses=1]
20 %4 = sub i64 %3, %2 ; <i64> [#uses=1]
21 %5 = icmp sge i64 %4, 0 ; <i1> [#uses=1]
22 %6 = zext i1 %5 to i32 ; <i32> [#uses=1]
23 store i32 %6, i32* %0, align 4
24 %7 = load i32* %0, align 4 ; <i32> [#uses=1]
25 store i32 %7, i32* %retval, align 4
28 return: ; preds = %entry
29 %retval1 = load i32* %retval ; <i32> [#uses=1]