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8762f07b17
Summary: See http://llvm.org/docs/LangRef.html#non-integral-pointer-type The NewGVN test does not fail without these changes (perhaps it does try to coerce pointers <-> integers to begin with?), but I added the test case anyway. Reviewers: dberlin Subscribers: mcrosier, llvm-commits, Prazek Differential Revision: https://reviews.llvm.org/D32208 llvm-svn: 300730
40 lines
973 B
LLVM
40 lines
973 B
LLVM
; 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 @f0(i1 %alwaysFalse, i64 %val, i64* %loc) {
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; CHECK-LABEL: @f0(
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; CHECK-NOT: inttoptr
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; CHECK-NOT: ptrtoint
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entry:
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store i64 %val, i64* %loc
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br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
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neverTaken:
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%loc.bc = bitcast i64* %loc to i8 addrspace(4)**
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%ptr = load i8 addrspace(4)*, i8 addrspace(4)** %loc.bc
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store i8 5, i8 addrspace(4)* %ptr
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ret void
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alwaysTaken:
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ret void
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}
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define i64 @f1(i1 %alwaysFalse, i8 addrspace(4)* %val, i8 addrspace(4)** %loc) {
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; CHECK-LABEL: @f1(
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; CHECK-NOT: inttoptr
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; CHECK-NOT: ptrtoint
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entry:
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store i8 addrspace(4)* %val, i8 addrspace(4)** %loc
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br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
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neverTaken:
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%loc.bc = bitcast i8 addrspace(4)** %loc to i64*
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%int = load i64, i64* %loc.bc
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ret i64 %int
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alwaysTaken:
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ret i64 42
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}
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