forked from OSchip/llvm-project
34 lines
936 B
LLVM
34 lines
936 B
LLVM
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; Checks that case when GEP is bound to trivial PHI node is correctly handled.
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; RUN: opt %s -mtriple=aarch64-linux-gnu -codegenprepare -S -o - | FileCheck %s
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; CHECK: define void @crash([65536 x i32]** %s, i32 %n) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %struct = load [65536 x i32]*, [65536 x i32]** %s
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; CHECK-NEXT: %gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
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; CHECK-NEXT: store i32 %n, i32* %gep0
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; CHECK-NEXT: ret void
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; CHECK-NEXT: }
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define void @crash([65536 x i32]** %s, i32 %n) {
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entry:
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%struct = load [65536 x i32]*, [65536 x i32]** %s
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%cmp = icmp slt i32 0, %n
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br i1 %cmp, label %baz, label %bar
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baz:
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br label %bar
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foo:
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%gep0 = getelementptr [65536 x i32], [65536 x i32]* %phi2, i64 0, i32 20000
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br label %st
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st:
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store i32 %n, i32* %gep0
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br label %out
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bar:
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%phi2 = phi [65536 x i32]* [ %struct, %baz ], [ %struct, %entry ]
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br label %foo
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out:
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ret void
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}
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