| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -instcombine-infinite-loop-threshold=3 -S | FileCheck %s |
| |
| @var_7 = external global i8, align 1 |
| @var_1 = external global i32, align 4 |
| @var_0 = external global i16, align 2 |
| @var_5 = external global i64, align 8 |
| @arr_2 = external global [0 x i32], align 4 |
| @arr_4 = external global [0 x i16], align 2 |
| @arr_3 = external global [8 x i32], align 16 |
| |
| define void @_Z4testv() { |
| ; CHECK-LABEL: @_Z4testv( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: [[I:%.*]] = load i8, i8* @var_7, align 1 |
| ; CHECK-NEXT: [[I1:%.*]] = icmp eq i8 [[I]], -1 |
| ; CHECK-NEXT: [[I4:%.*]] = load i16, i16* @var_0, align 2 |
| ; CHECK-NEXT: [[I8:%.*]] = sext i16 [[I4]] to i32 |
| ; CHECK-NEXT: br i1 [[I1]], label [[BB10:%.*]], label [[BB9:%.*]] |
| ; CHECK: bb9: |
| ; CHECK-NEXT: br label [[BB12:%.*]] |
| ; CHECK: bb10: |
| ; CHECK-NEXT: [[I2:%.*]] = load i32, i32* @var_1, align 4 |
| ; CHECK-NEXT: [[I3:%.*]] = icmp eq i32 [[I2]], 0 |
| ; CHECK-NEXT: [[I6:%.*]] = load i64, i64* @var_5, align 8 |
| ; CHECK-NEXT: [[I5:%.*]] = sext i16 [[I4]] to i64 |
| ; CHECK-NEXT: [[I7:%.*]] = select i1 [[I3]], i64 [[I6]], i64 [[I5]] |
| ; CHECK-NEXT: [[I11:%.*]] = trunc i64 [[I7]] to i32 |
| ; CHECK-NEXT: br label [[BB12]] |
| ; CHECK: bb12: |
| ; CHECK-NEXT: [[STOREMERGE1:%.*]] = phi i32 [ [[I11]], [[BB10]] ], [ 1, [[BB9]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE1]], i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 0), align 4 |
| ; CHECK-NEXT: store i16 [[I4]], i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 0), align 2 |
| ; CHECK-NEXT: store i32 [[I8]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 0), align 16 |
| ; CHECK-NEXT: store i32 [[STOREMERGE1]], i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 1), align 4 |
| ; CHECK-NEXT: store i16 [[I4]], i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 1), align 2 |
| ; CHECK-NEXT: store i32 [[I8]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 1), align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| bb: |
| %i = load i8, i8* @var_7, align 1 |
| %i1 = icmp eq i8 %i, -1 |
| %i2 = load i32, i32* @var_1, align 4 |
| %i3 = icmp eq i32 %i2, 0 |
| %i4 = load i16, i16* @var_0, align 2 |
| %i5 = sext i16 %i4 to i64 |
| %i6 = load i64, i64* @var_5, align 8 |
| %i7 = select i1 %i3, i64 %i6, i64 %i5 |
| %i8 = sext i16 %i4 to i32 |
| br i1 %i1, label %bb10, label %bb9 |
| |
| bb9: ; preds = %bb |
| store i32 1, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 0), align 4 |
| store i16 %i4, i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 0), align 2 |
| store i32 %i8, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 0), align 4 |
| store i32 1, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 1), align 4 |
| store i16 %i4, i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 1), align 2 |
| store i32 %i8, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 1), align 4 |
| br label %bb12 |
| |
| bb10: ; preds = %bb |
| %i11 = trunc i64 %i7 to i32 |
| store i32 %i11, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 0), align 4 |
| store i16 %i4, i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 0), align 2 |
| store i32 %i8, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 0), align 4 |
| store i32 %i11, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @arr_2, i64 0, i64 1), align 4 |
| store i16 %i4, i16* getelementptr inbounds ([0 x i16], [0 x i16]* @arr_4, i64 0, i64 1), align 2 |
| store i32 %i8, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @arr_3, i64 0, i64 1), align 4 |
| br label %bb12 |
| |
| bb12: ; preds = %bb10, %bb9 |
| ret void |
| } |