forked from OSchip/llvm-project
51 lines
898 B
LLVM
51 lines
898 B
LLVM
; RUN: llc -o - %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; Test that stackified IMPLICIT_DEF instructions are converted into
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; CONST_I32 to provide an explicit push.
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; CHECK: br_if 2,
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: return $pop[[L0]]{{$}}
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define i1 @f() {
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%a = xor i1 0, 0
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switch i1 %a, label %C [
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i1 0, label %A
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i1 1, label %B
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]
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A:
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%b = xor i1 0, 0
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br label %X
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B:
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%c = xor i1 0, 0
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br i1 %c, label %D, label %X
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C:
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%d = icmp slt i32 0, 0
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br i1 %d, label %G, label %F
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D:
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%e = xor i1 0, 0
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br i1 %e, label %E, label %X
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E:
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%f = xor i1 0, 0
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br label %X
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F:
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%g = xor i1 0, 0
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br label %G
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G:
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%h = phi i1 [ undef, %C ], [ false, %F ]
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br label %X
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X:
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%i = phi i1 [ true, %A ], [ true, %B ], [ true, %D ], [ true, %E ], [ %h, %G ]
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ret i1 %i
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}
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