2b13ff6979
If the memory object is scalable type, we do not know the exact size of it at compile time. Set the size of lifetime marker to unknown if the object is scalable one. Differential Revision: https://reviews.llvm.org/D102822
26 lines
1.1 KiB
C++
26 lines
1.1 KiB
C++
// REQUIRES: riscv-registered-target
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// RUN: %clang_cc1 -std=c++11 -triple riscv64 -target-feature +experimental-v \
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// RUN: -O1 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s
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#include <riscv_vector.h>
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vint32m1_t Baz();
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// CHECK-LABEL: @_Z4Testv(
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[A:%.*]] = alloca <vscale x 2 x i32>*, align 8
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// CHECK-NEXT: [[REF_TMP:%.*]] = alloca <vscale x 2 x i32>, align 4
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// CHECK-NEXT: [[TMP0:%.*]] = bitcast <vscale x 2 x i32>** [[A]] to i8*
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// CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 8, i8* [[TMP0]]) #[[ATTR3:[0-9]+]]
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// CHECK-NEXT: [[TMP1:%.*]] = bitcast <vscale x 2 x i32>* [[REF_TMP]] to i8*
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// CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 -1, i8* [[TMP1]]) #[[ATTR3]]
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// CHECK: [[TMP4:%.*]] = bitcast <vscale x 2 x i32>* [[REF_TMP]] to i8*
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// CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 -1, i8* [[TMP4]]) #[[ATTR3]]
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// CHECK-NEXT: [[TMP5:%.*]] = bitcast <vscale x 2 x i32>** [[A]] to i8*
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// CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 8, i8* [[TMP5]]) #[[ATTR3]]
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//
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vint32m1_t Test() {
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const vint32m1_t &a = Baz();
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return a;
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}
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