1; RUN: opt < %s -constprop -die -S | FileCheck %s
2
3target 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-S128"
4target triple = "x86_64-apple-macosx10.7.2"
5
6; This is a basic sanity check for constant propagation.  The add instruction
7; should be eliminated.
8define i32 @test1(i1 %B) {
9        br i1 %B, label %BB1, label %BB2
10
11BB1:
12        %Val = add i32 0, 0
13        br label %BB3
14
15BB2:
16        br label %BB3
17
18BB3:
19; CHECK-LABEL: @test1(
20; CHECK: %Ret = phi i32 [ 0, %BB1 ], [ 1, %BB2 ]
21        %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ]
22        ret i32 %Ret
23}
24
25
26; PR6197
27define i1 @test2(i8* %f) nounwind {
28entry:
29  %V = icmp ne i8* blockaddress(@test2, %bb), null
30  br label %bb
31bb:
32  ret i1 %V
33
34; CHECK-LABEL: @test2(
35; CHECK: ret i1 true
36}
37
38define i1 @TNAN() {
39; CHECK-LABEL: @TNAN(
40; CHECK: ret i1 true
41  %A = fcmp uno double 0x7FF8000000000000, 1.000000e+00
42  %B = fcmp uno double 1.230000e+02, 1.000000e+00
43  %C = or i1 %A, %B
44  ret i1 %C
45}
46
47define i128 @vector_to_int_cast() {
48  %A = bitcast <4 x i32> <i32 1073741824, i32 1073741824, i32 1073741824, i32 1073741824> to i128
49  ret i128 %A
50; CHECK-LABEL: @vector_to_int_cast(
51; CHECK: ret i128 85070591750041656499021422275829170176
52}
53
54