1; This test makes sure that these instructions are properly constant propagated.
2
3; RUN: opt < %s -data-layout="e-p:32:32" -debugify -sccp -S | FileCheck %s
4; RUN: opt < %s -data-layout="E-p:32:32" -debugify -sccp -S | FileCheck %s
5
6@X = constant i32 42		; <i32*> [#uses=1]
7@Y = constant [2 x { i32, float }] [ { i32, float } { i32 12, float 1.000000e+00 }, { i32, float } { i32 37, float 0x3FF3B2FEC0000000 } ]		; <[2 x { i32, float }]*> [#uses=2]
8
9define i32 @test1() {
10; CHECK-LABEL: @test1(
11; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 42
12; CHECK-NEXT: ret
13	%B = load i32, i32* @X		; <i32> [#uses=1]
14	ret i32 %B
15}
16
17define float @test2() {
18; CHECK-LABEL: @test2(
19; CHECK-NEXT: call void @llvm.dbg.value(metadata float* getelementptr
20; CHECK-NEXT: call void @llvm.dbg.value(metadata float 0x3FF3B2FEC0000000
21; CHECK-NEXT: ret
22	%A = getelementptr [2 x { i32, float }], [2 x { i32, float }]* @Y, i64 0, i64 1, i32 1		; <float*> [#uses=1]
23	%B = load float, float* %A		; <float> [#uses=1]
24	ret float %B
25}
26
27define i32 @test3() {
28; CHECK-LABEL: @test3(
29; CHECK-NEXT: call void @llvm.dbg.value(metadata i32* getelementptr
30; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 12
31; CHECK-NEXT: ret
32	%A = getelementptr [2 x { i32, float }], [2 x { i32, float }]* @Y, i64 0, i64 0, i32 0		; <i32*> [#uses=1]
33	%B = load i32, i32* %A
34	ret i32 %B
35}
36
37define i8 @test4() {
38; CHECK-LABEL: @test4(
39; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* bitcast
40; CHECK-NEXT: call void @llvm.dbg.value(metadata i8
41; CHECK-NEXT: ret
42	%A = bitcast i32* @X to i8*
43	%B = load i8, i8* %A
44	ret i8 %B
45}
46
47