| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define i32 @foo(i32 %a) { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -100 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i32 [[TMP1]], -1 |
| ; CHECK-NEXT: [[A_OP:%.*]] = add i32 [[A]], 1 |
| ; CHECK-NEXT: [[T13:%.*]] = select i1 [[TMP2]], i32 100, i32 [[A_OP]] |
| ; CHECK-NEXT: ret i32 [[T13]] |
| ; |
| %t15 = sub i32 99, %a |
| %t16 = icmp slt i32 %t15, 0 |
| %smax = select i1 %t16, i32 0, i32 %t15 |
| %t12 = add i32 %smax, %a |
| %t13 = add i32 %t12, 1 |
| ret i32 %t13 |
| } |
| |
| define i32 @bar(i32 %a) { |
| ; CHECK-LABEL: @bar( |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -100 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i32 [[TMP1]], -1 |
| ; CHECK-NEXT: [[T12:%.*]] = select i1 [[TMP2]], i32 99, i32 [[A]] |
| ; CHECK-NEXT: ret i32 [[T12]] |
| ; |
| %t15 = sub i32 99, %a |
| %t16 = icmp slt i32 %t15, 0 |
| %smax = select i1 %t16, i32 0, i32 %t15 |
| %t12 = add i32 %smax, %a |
| ret i32 %t12 |
| } |
| |
| define i32 @fun(i32 %a) { |
| ; CHECK-LABEL: @fun( |
| ; CHECK-NEXT: [[T16:%.*]] = icmp slt i32 [[A:%.*]], 0 |
| ; CHECK-NEXT: [[T12:%.*]] = select i1 [[T16]], i32 [[A]], i32 99 |
| ; CHECK-NEXT: ret i32 [[T12]] |
| ; |
| %t15 = sub i32 99, %a |
| %t16 = icmp slt i32 %a, 0 |
| %smax = select i1 %t16, i32 0, i32 %t15 |
| %t12 = add i32 %smax, %a |
| ret i32 %t12 |
| } |