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