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[NFC] Make test more robust 

Currently fails on ARMs

llvm-svn: 368828
This commit is contained in:
David Bolvansky 2019-08-14 11:13:10 +00:00
parent 175261c9ec
commit 544c2e3f8b
1 changed files with 5 additions and 27 deletions
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32
clang/test/CodeGen/struct-copy.c
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@ -1,39 +1,17 @@
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
struct x { int a[100]; };
// CHECK-LABEL: @foo(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[P_ADDR:%.*]] = alloca %struct.x*, align 8
// CHECK-NEXT: [[Q_ADDR:%.*]] = alloca %struct.x*, align 8
// CHECK-NEXT: store %struct.x* [[P:%.*]], %struct.x** [[P_ADDR]], align 8
// CHECK-NEXT: store %struct.x* [[Q:%.*]], %struct.x** [[Q_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load %struct.x*, %struct.x** [[P_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = load %struct.x*, %struct.x** [[Q_ADDR]], align 8
// CHECK-NEXT: [[TMP2:%.*]] = bitcast %struct.x* [[TMP0]] to i8*
// CHECK-NEXT: [[TMP3:%.*]] = bitcast %struct.x* [[TMP1]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[TMP2]], i8* align 4 [[TMP3]], i64 400, i1 false)
// CHECK-NEXT: ret void
//
void foo(struct x *P, struct x *Q) {
// CHECK-LABEL: @foo(
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
*P = *Q;
}
// CHECK: declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg)
// CHECK-LABEL: @bar(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[P_ADDR:%.*]] = alloca %struct.x*, align 8
// CHECK-NEXT: [[Q_ADDR:%.*]] = alloca %struct.x*, align 8
// CHECK-NEXT: store %struct.x* [[P:%.*]], %struct.x** [[P_ADDR]], align 8
// CHECK-NEXT: store %struct.x* [[Q:%.*]], %struct.x** [[Q_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load %struct.x*, %struct.x** [[P_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = bitcast %struct.x* [[TMP0]] to i8*
// CHECK-NEXT: [[TMP2:%.*]] = load %struct.x*, %struct.x** [[Q_ADDR]], align 8
// CHECK-NEXT: [[TMP3:%.*]] = bitcast %struct.x* [[TMP2]] to i8*
// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[TMP1]], i8* align 4 [[TMP3]], i64 400, i1 false)
// CHECK-NEXT: ret void
//
void bar(struct x *P, struct x *Q) {
// CHECK-LABEL: @bar(
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
__builtin_memcpy(P, Q, sizeof(struct x));
}