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