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; RUN: opt < %s -instsimplify -dce -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 correctness 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
}
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