35 lines
1,005 B
LLVM
35 lines
1,005 B
LLVM
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; RUN: opt -S -passes=instsimplify,instcombine < %s | FileCheck %s
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; CHECK-LABEL: define void @checkNonnullIrg()
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define void @checkNonnullIrg() {
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; CHECK: %[[p:.*]] = call ptr @llvm.aarch64.irg(ptr nonnull
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; CHECK: call void @use(ptr nonnull %[[p]])
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entry:
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%0 = alloca i8, align 16
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%p = call ptr @llvm.aarch64.irg(ptr %0, i64 5)
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call void @use(ptr %p)
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ret void
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}
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; CHECK-LABEL: define void @checkNonnullTagp(
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define void @checkNonnullTagp(ptr %tag) {
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; CHECK: %[[p:.*]] = call ptr @llvm.aarch64.tagp.p0(ptr nonnull %a, ptr %tag, i64 1)
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; CHECK: %[[p2:.*]] = call ptr @llvm.aarch64.tagp.p0(ptr nonnull %[[p]], ptr %tag, i64 2)
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; CHECK: call void @use(ptr nonnull %[[p2]])
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entry:
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%a = alloca i8, align 8
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%p = call ptr @llvm.aarch64.tagp.p0(ptr %a, ptr %tag, i64 1)
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%p2 = call ptr @llvm.aarch64.tagp.p0(ptr %p, ptr %tag, i64 2)
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call void @use(ptr %p2)
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ret void
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}
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declare ptr @llvm.aarch64.irg(ptr, i64)
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declare ptr @llvm.aarch64.tagp.p0(ptr, ptr, i64)
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declare void @use(ptr)
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