| ; REQUIRES: x86_64-linux |
| ; RUN: llc -mtriple=x86_64-- -stop-after=peephole-opt -o - %s | FileCheck %s |
| |
| define internal i32 @arc_compare() { |
| entry: |
| %0 = load i64, i64* undef, align 8 |
| br i1 undef, label %return, label %if.end |
| |
| if.end: ; preds = %entry |
| ; Chek a register copy has been sinked into the compare instruction. |
| ; CHECK: %[[#REG:]]:gr64 = IMPLICIT_DEF |
| ; CHECK-NOT: %[[#]]:gr64 = MOV64rm %[[#REG]] |
| ; CHECK: PSEUDO_PROBE 5116412291814990879, 3, 0, 0 |
| ; CHECK: CMP64mr %[[#REG]], 1 |
| call void @llvm.pseudoprobe(i64 5116412291814990879, i64 3, i32 0, i64 -1) |
| %cmp4 = icmp slt i64 %0, undef |
| br i1 %cmp4, label %return, label %if.end6 |
| |
| if.end6: ; preds = %if.end |
| call void @llvm.pseudoprobe(i64 5116412291814990879, i64 5, i32 0, i64 -1) |
| br label %return |
| |
| return: ; preds = %if.end6, %if.end, %entry |
| ret i32 undef |
| } |
| |
| ; Function Attrs: inaccessiblememonly nounwind willreturn |
| declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0 |
| |
| attributes #0 = { inaccessiblememonly nounwind willreturn } |
