| ; RUN: llc -O2 -mtriple=hexagon -hexagon-expand-condsets=0 < %s |
| ; REQUIRES: asserts |
| ; Disable expand-condsets because it will assert on undefined registers. |
| |
| target triple = "hexagon-unknown--elf" |
| |
| %s.0 = type { ptr, ptr } |
| %s.1 = type { ptr, ptr } |
| |
| @g0 = external global %s.0, align 4 |
| |
| ; Function Attrs: nounwind |
| define void @f0() #0 { |
| b0: |
| br i1 undef, label %b2, label %b1 |
| |
| b1: ; preds = %b0 |
| unreachable |
| |
| b2: ; preds = %b0 |
| br i1 undef, label %b26, label %b3 |
| |
| b3: ; preds = %b2 |
| br i1 undef, label %b6, label %b4 |
| |
| b4: ; preds = %b3 |
| br i1 undef, label %b5, label %b26 |
| |
| b5: ; preds = %b4 |
| br i1 undef, label %b7, label %b26 |
| |
| b6: ; preds = %b3 |
| br label %b7 |
| |
| b7: ; preds = %b6, %b5 |
| br i1 undef, label %b11, label %b8 |
| |
| b8: ; preds = %b7 |
| br i1 undef, label %b10, label %b9 |
| |
| b9: ; preds = %b8 |
| unreachable |
| |
| b10: ; preds = %b8 |
| unreachable |
| |
| b11: ; preds = %b7 |
| br i1 undef, label %b25, label %b12 |
| |
| b12: ; preds = %b11 |
| br i1 undef, label %b14, label %b13 |
| |
| b13: ; preds = %b12 |
| br label %b14 |
| |
| b14: ; preds = %b13, %b12 |
| br i1 undef, label %b15, label %b16 |
| |
| b15: ; preds = %b14 |
| br label %b16 |
| |
| b16: ; preds = %b15, %b14 |
| br i1 undef, label %b18, label %b17 |
| |
| b17: ; preds = %b16 |
| unreachable |
| |
| b18: ; preds = %b16 |
| %v0 = load ptr, ptr getelementptr inbounds (%s.0, ptr @g0, i32 0, i32 1), align 4 |
| %v1 = load ptr, ptr @g0, align 4 |
| %v2 = select i1 undef, ptr %v0, ptr %v1 |
| br i1 undef, label %b22, label %b19 |
| |
| b19: ; preds = %b18 |
| %v3 = load ptr, ptr undef, align 4 |
| %v4 = icmp eq ptr %v3, null |
| br i1 %v4, label %b21, label %b20 |
| |
| b20: ; preds = %b19 |
| store ptr undef, ptr undef, align 4 |
| br label %b21 |
| |
| b21: ; preds = %b20, %b19 |
| br label %b22 |
| |
| b22: ; preds = %b21, %b18 |
| br i1 undef, label %b24, label %b23 |
| |
| b23: ; preds = %b22 |
| store ptr %v2, ptr undef, align 4 |
| br label %b24 |
| |
| b24: ; preds = %b23, %b22 |
| unreachable |
| |
| b25: ; preds = %b11 |
| unreachable |
| |
| b26: ; preds = %b5, %b4, %b2 |
| ret void |
| } |
| |
| attributes #0 = { nounwind "target-cpu"="hexagonv55" } |
