| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2 |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -O2 -emit-llvm -o - %s | FileCheck %s |
| |
| struct Tail { |
| ~Tail(); |
| int a : 16; |
| int b : 8; |
| }; |
| |
| struct Char { |
| int a : 16; |
| int b : 8; |
| char c; |
| }; |
| |
| struct Int { |
| int a : 16; |
| int b : 8; |
| int c; |
| }; |
| |
| |
| // CHECK-LABEL: define dso_local void @_Z1AP4Tail |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i16, ptr [[P]], align 4 |
| // CHECK-NEXT: [[INC:%.*]] = add i16 [[BF_LOAD]], 1 |
| // CHECK-NEXT: store i16 [[INC]], ptr [[P]], align 4 |
| // CHECK-NEXT: ret void |
| // |
| void A (Tail *p) { |
| p->a++; |
| } |
| |
| // CHECK-LABEL: define dso_local void @_Z1BP4Tail |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[B:%.*]] = getelementptr inbounds i8, ptr [[P]], i64 2 |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i8, ptr [[B]], align 2 |
| // CHECK-NEXT: [[INC:%.*]] = add i8 [[BF_LOAD]], 1 |
| // CHECK-NEXT: store i8 [[INC]], ptr [[B]], align 2 |
| // CHECK-NEXT: ret void |
| // |
| void B (Tail *p) { |
| p->b++; |
| } |
| |
| // CHECK-LABEL: define dso_local void @_Z1AP4Char |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i16, ptr [[P]], align 4 |
| // CHECK-NEXT: [[INC:%.*]] = add i16 [[BF_LOAD]], 1 |
| // CHECK-NEXT: store i16 [[INC]], ptr [[P]], align 4 |
| // CHECK-NEXT: ret void |
| // |
| void A (Char *p) { |
| p->a++; |
| } |
| |
| // CHECK-LABEL: define dso_local void @_Z1BP4Char |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[B:%.*]] = getelementptr inbounds i8, ptr [[P]], i64 2 |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i8, ptr [[B]], align 2 |
| // CHECK-NEXT: [[INC:%.*]] = add i8 [[BF_LOAD]], 1 |
| // CHECK-NEXT: store i8 [[INC]], ptr [[B]], align 2 |
| // CHECK-NEXT: ret void |
| // |
| void B (Char *p) { |
| p->b++; |
| } |
| |
| // CHECK-LABEL: define dso_local void @_Z1AP3Int |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i32, ptr [[P]], align 4 |
| // CHECK-NEXT: [[INC:%.*]] = add i32 [[BF_LOAD]], 1 |
| // CHECK-NEXT: [[BF_VALUE:%.*]] = and i32 [[INC]], 65535 |
| // CHECK-NEXT: [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65536 |
| // CHECK-NEXT: [[BF_SET:%.*]] = or disjoint i32 [[BF_VALUE]], [[BF_CLEAR]] |
| // CHECK-NEXT: store i32 [[BF_SET]], ptr [[P]], align 4 |
| // CHECK-NEXT: ret void |
| // |
| void A (Int *p) { |
| p->a++; |
| } |
| |
| // CHECK-LABEL: define dso_local void @_Z1BP3Int |
| // CHECK-SAME: (ptr nocapture noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[BF_LOAD:%.*]] = load i32, ptr [[P]], align 4 |
| // CHECK-NEXT: [[BF_VALUE:%.*]] = add i32 [[BF_LOAD]], 65536 |
| // CHECK-NEXT: [[BF_SHL2:%.*]] = and i32 [[BF_VALUE]], 16711680 |
| // CHECK-NEXT: [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16711681 |
| // CHECK-NEXT: [[BF_SET:%.*]] = or disjoint i32 [[BF_SHL2]], [[BF_CLEAR]] |
| // CHECK-NEXT: store i32 [[BF_SET]], ptr [[P]], align 4 |
| // CHECK-NEXT: ret void |
| // |
| void B (Int *p) { |
| p->b++; |
| } |