34 lines
932 B
LLVM
34 lines
932 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=gvn -S < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
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target triple = "x86_64-unknown-linux-gnu"
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define void @nipre(ptr noalias %p, ptr noalias %p2, i8 %jmp) {
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; CHECK-LABEL: @nipre(
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; CHECK: a:
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; CHECK: [[L1:%.*]] = load ptr addrspace(4), ptr [[P:%.*]]
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; CHECK: b:
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; CHECK: [[L2:%.*]] = load ptr addrspace(4), ptr [[P]]
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; CHECK: c:
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; CHECK-NEXT: [[L3_PRE:%.*]] = load ptr addrspace(4), ptr %p
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entry:
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switch i8 %jmp, label %c [ i8 0, label %a
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i8 1, label %b]
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a:
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%l1 = load ptr addrspace(4), ptr %p
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store ptr addrspace(4) %l1, ptr %p2
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br label %tail
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b:
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%l2 = load ptr addrspace(4), ptr %p
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store ptr addrspace(4) %l2, ptr %p2
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br label %tail
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c:
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br label %tail
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tail:
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%l3 = load ptr addrspace(4), ptr %p
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store ptr addrspace(4) %l3, ptr %p2
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ret void
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}
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