| ; RUN: llc -march=hexagon -enable-pipeliner < %s |
| ; REQUIRES: asserts |
| |
| ; Make sure pipeliner handle physical registers (e.g., used in |
| ; inline asm |
| |
| @g0 = external global i32*, align 4 |
| |
| ; Function Attrs: nounwind |
| define i32 @f0(i32 %a0, i8** nocapture %a1) #0 { |
| b0: |
| br i1 undef, label %b1, label %b2 |
| |
| b1: ; preds = %b0 |
| unreachable |
| |
| b2: ; preds = %b0 |
| br label %b3 |
| |
| b3: ; preds = %b3, %b2 |
| br i1 undef, label %b4, label %b3 |
| |
| b4: ; preds = %b3 |
| br label %b5 |
| |
| b5: ; preds = %b5, %b4 |
| %v0 = phi i32* [ inttoptr (i32 33554432 to i32*), %b4 ], [ %v4, %b5 ] |
| %v1 = phi i32 [ 0, %b4 ], [ %v5, %b5 ] |
| %v2 = ptrtoint i32* %v0 to i32 |
| tail call void asm sideeffect " r1 = $1\0A r0 = $0\0A memw(r0) = r1\0A dcfetch(r0)\0A", "r,r,~{r0},~{r1}"(i32 %v2, i32 %v1) #0 |
| %v3 = load i32*, i32** @g0, align 4 |
| %v4 = getelementptr inbounds i32, i32* %v3, i32 1 |
| store i32* %v4, i32** @g0, align 4 |
| %v5 = add nsw i32 %v1, 1 |
| %v6 = icmp eq i32 %v5, 200 |
| br i1 %v6, label %b6, label %b5 |
| |
| b6: ; preds = %b5 |
| br label %b7 |
| |
| b7: ; preds = %b7, %b6 |
| br i1 undef, label %b8, label %b7 |
| |
| b8: ; preds = %b7 |
| ret i32 0 |
| } |
| |
| attributes #0 = { nounwind "target-cpu"="hexagonv55" } |