| Sanjay Patel | 284fe7a | 2018-06-01 14:39:05 +0000 | [diff] [blame^] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| 2 | ; RUN: opt < %s -instcombine -S | FileCheck %s |
| 3 | |
| 4 | declare void @llvm.experimental.guard(i1, ...) |
| 5 | |
| 6 | ; FIXME: If %flag is false then %s == 0 and guard should be triggered. |
| 7 | |
| 8 | define i32 @a(i1 %flag, i32 %X) nounwind readnone { |
| 9 | ; CHECK-LABEL: @a( |
| 10 | ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[X:%.*]], 0 |
| 11 | ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[CMP]]) #1 [ "deopt"() ] |
| 12 | ; CHECK-NEXT: [[R:%.*]] = sdiv i32 100, [[X]] |
| 13 | ; CHECK-NEXT: ret i32 [[R]] |
| 14 | ; |
| 15 | %s = select i1 %flag, i32 %X, i32 0 |
| 16 | %cmp = icmp ne i32 %s, 0 |
| 17 | call void(i1, ...) @llvm.experimental.guard( i1 %cmp )[ "deopt"() ] |
| 18 | %r = sdiv i32 100, %s |
| 19 | ret i32 %r |
| 20 | } |
| 21 | |