40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -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(double addrspace(4)** noalias %p, i64 addrspace(4)** noalias %p2, i8 %jmp) {
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; CHECK-LABEL: @nipre(
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; CHECK: [[PCAST:%.*]] = bitcast double addrspace(4)** [[P:%.*]] to i64 addrspace(4)**
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; CHECK: a:
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; CHECK: [[L1:%.*]] = load i64 addrspace(4)*, i64 addrspace(4)** [[PCAST]]
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; CHECK: [[TMP0:%.*]] = bitcast i64 addrspace(4)* [[L1]] to double addrspace(4)*
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; CHECK: b:
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; CHECK: [[L2:%.*]] = load i64 addrspace(4)*, i64 addrspace(4)** [[PCAST]]
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; CHECK: [[TMP1:%.*]] = bitcast i64 addrspace(4)* [[L2]] to double addrspace(4)*
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; CHECK: c:
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; CHECK-NEXT: [[L3_PRE:%.*]] = load double addrspace(4)*, double addrspace(4)** %p
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entry:
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%pcast = bitcast double addrspace(4)** %p to i64 addrspace(4)**
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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 i64 addrspace(4)*, i64 addrspace(4)** %pcast
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store i64 addrspace(4)* %l1, i64 addrspace(4)** %p2
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br label %tail
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b:
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%l2 = load i64 addrspace(4)*, i64 addrspace(4)** %pcast
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store i64 addrspace(4)* %l2, i64 addrspace(4)** %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 double addrspace(4)*, double addrspace(4)** %p
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%l3cast = bitcast double addrspace(4)* %l3 to i64 addrspace(4)*
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store i64 addrspace(4)* %l3cast, i64 addrspace(4)** %p2
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ret void
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}
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