| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -inline -S | FileCheck %s |
| ; PR3142 |
| |
| define i32 @a(i32 %X) { |
| ; CHECK-LABEL: @a( |
| ; CHECK-NEXT: [[T0:%.*]] = sub i32 0, [[X:%.*]] |
| ; CHECK-NEXT: [[T1:%.*]] = sdiv i32 [[T0]], -3 |
| ; CHECK-NEXT: ret i32 [[T1]] |
| ; |
| %t0 = sub i32 0, %X |
| %t1 = sdiv i32 %t0, -3 |
| ret i32 %t1 |
| } |
| |
| define i32 @b(i32 %X) { |
| ; CHECK-LABEL: @b( |
| ; CHECK-NEXT: ret i32 715827882 |
| ; |
| %t0 = call i32 @a(i32 -2147483648) |
| ret i32 %t0 |
| } |
| |
| define i32 @c(i32 %X) { |
| ; CHECK-LABEL: @c( |
| ; CHECK-NEXT: ret i32 715827882 |
| ; |
| %t0 = sub i32 0, -2147483648 |
| %t1 = sdiv i32 %t0, -3 |
| ret i32 %t1 |
| } |
