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