| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -O2 -S %s | FileCheck %s --check-prefix=WITHGLOBALSAA |
| ; RUN: opt -O2 -enable-global-analyses=0 -S %s | FileCheck %s --check-prefix=NOGLOBALSAA |
| |
| @glb = internal global i8 0 |
| |
| define i8 @f(ptr %ptr) { |
| ; WITHGLOBALSAA-LABEL: @f( |
| ; WITHGLOBALSAA-NEXT: store i8 1, ptr [[PTR:%.*]], align 1 |
| ; WITHGLOBALSAA-NEXT: store i1 true, ptr @glb, align 1 |
| ; WITHGLOBALSAA-NEXT: ret i8 1 |
| ; |
| ; NOGLOBALSAA-LABEL: @f( |
| ; NOGLOBALSAA-NEXT: store i8 1, ptr [[PTR:%.*]], align 1 |
| ; NOGLOBALSAA-NEXT: store i1 true, ptr @glb, align 1 |
| ; NOGLOBALSAA-NEXT: [[R:%.*]] = load i8, ptr [[PTR]], align 1 |
| ; NOGLOBALSAA-NEXT: ret i8 [[R]] |
| ; |
| store i8 1, ptr %ptr |
| store i8 2, ptr @glb |
| %r = load i8, ptr %ptr |
| ret i8 %r |
| } |
| |
| define i8 @dummy() { |
| ; WITHGLOBALSAA-LABEL: @dummy( |
| ; WITHGLOBALSAA-NEXT: [[VAL_B:%.*]] = load i1, ptr @glb, align 1 |
| ; WITHGLOBALSAA-NEXT: [[VAL:%.*]] = select i1 [[VAL_B]], i8 2, i8 0 |
| ; WITHGLOBALSAA-NEXT: ret i8 [[VAL]] |
| ; |
| ; NOGLOBALSAA-LABEL: @dummy( |
| ; NOGLOBALSAA-NEXT: [[VAL_B:%.*]] = load i1, ptr @glb, align 1 |
| ; NOGLOBALSAA-NEXT: [[VAL:%.*]] = select i1 [[VAL_B]], i8 2, i8 0 |
| ; NOGLOBALSAA-NEXT: ret i8 [[VAL]] |
| ; |
| %val = load i8, ptr @glb |
| ret i8 %val |
| } |
