| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| ; Check that we generate 'cmpb.eq' instruction for a byte comparision. |
| |
| @g0 = common global i8 0, align 1 |
| |
| ; Function Attrs: nounwind |
| define i32 @f0(i32 %a0, i32 %a1) #0 { |
| b0: |
| %v0 = xor i32 %a1, %a0 |
| %v1 = and i32 %v0, 255 |
| %v2 = icmp eq i32 %v1, 0 |
| br i1 %v2, label %b1, label %b2 |
| ; CHECK-NOT: xor(r{{[0-9]+}},r{{[0-9]+}}) |
| ; CHECK-NOT: zxtb(r{{[0-9]+}}) |
| ; CHECK: cmpb.eq(r{{[0-9]+}},r{{[0-9]+}}) |
| |
| b1: ; preds = %b0 |
| %v3 = trunc i32 %a0 to i8 |
| store i8 %v3, i8* @g0, align 1 |
| br label %b2 |
| |
| b2: ; preds = %b1, %b0 |
| %v4 = phi i32 [ 1, %b1 ], [ 0, %b0 ] |
| ret i32 %v4 |
| } |
| |
| attributes #0 = { nounwind } |
