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30 lines
911 B
30 lines
911 B
4 months ago
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; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s
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;
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; Check that the testcase compiles successfully. Expect that if-conversion
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; took place.
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; CHECK-LABEL: fred:
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; CHECK: if (!p0) r{{[0-9]+}} = memw(r{{[0-9]+}}+#0)
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target triple = "hexagon"
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define void @fred(i32 %p0) local_unnamed_addr align 2 {
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b0:
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br i1 undef, label %b1, label %b2
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b1: ; preds = %b0
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%t0 = load i8*, i8** undef, align 4
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br label %b2
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b2: ; preds = %b1, %b0
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%t1 = phi i8* [ %t0, %b1 ], [ undef, %b0 ]
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%t2 = getelementptr inbounds i8, i8* %t1, i32 %p0
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tail call void @llvm.memmove.p0i8.p0i8.i32(i8* undef, i8* %t2, i32 undef, i1 false) #1
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unreachable
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}
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declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) #0
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attributes #0 = { argmemonly nounwind }
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attributes #1 = { nounwind }
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