| ; RUN: opt < %s -constprop -die -S | FileCheck %s |
| |
| target 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" |
| target triple = "x86_64-apple-macosx10.7.2" |
| |
| ; This is a basic sanity check for constant propagation. The add instruction |
| ; should be eliminated. |
| define i32 @test1(i1 %B) { |
| br i1 %B, label %BB1, label %BB2 |
| |
| BB1: |
| %Val = add i32 0, 0 |
| br label %BB3 |
| |
| BB2: |
| br label %BB3 |
| |
| BB3: |
| ; CHECK-LABEL: @test1( |
| ; CHECK: %Ret = phi i32 [ 0, %BB1 ], [ 1, %BB2 ] |
| %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ] |
| ret i32 %Ret |
| } |
| |
| |
| ; PR6197 |
| define i1 @test2(i8* %f) nounwind { |
| entry: |
| %V = icmp ne i8* blockaddress(@test2, %bb), null |
| br label %bb |
| bb: |
| ret i1 %V |
| |
| ; CHECK-LABEL: @test2( |
| ; CHECK: ret i1 true |
| } |
| |
| define i1 @TNAN() { |
| ; CHECK-LABEL: @TNAN( |
| ; CHECK: ret i1 true |
| %A = fcmp uno double 0x7FF8000000000000, 1.000000e+00 |
| %B = fcmp uno double 1.230000e+02, 1.000000e+00 |
| %C = or i1 %A, %B |
| ret i1 %C |
| } |
| |
| define i128 @vector_to_int_cast() { |
| %A = bitcast <4 x i32> <i32 1073741824, i32 1073741824, i32 1073741824, i32 1073741824> to i128 |
| ret i128 %A |
| ; CHECK-LABEL: @vector_to_int_cast( |
| ; CHECK: ret i128 85070591750041656499021422275829170176 |
| } |
| |
