; RUN: llc -march=hexagon -O2 < %s ; REQUIRES: asserts target triple = "hexagon-unknown--elf" @g0 = global i32 0, align 4 @g1 = global i32 0, align 4 @g2 = global i32 0, align 4 @g3 = global i32 0, align 4 @g4 = common global [100 x i32] zeroinitializer, align 8 @g5 = common global [100 x i32] zeroinitializer, align 8 @g6 = private unnamed_addr constant [13 x i8] c"ping started\00" @g7 = private unnamed_addr constant [13 x i8] c"pong started\00" ; Function Attrs: nounwind define void @f0(ptr nocapture readnone %a0) #0 { b0: tail call void @f1(ptr %a0, i32 0) ret void } ; Function Attrs: nounwind define internal void @f1(ptr nocapture readnone %a0, i32 %a1) #0 { b0: %v0 = icmp eq i32 %a1, 1 br i1 %v0, label %b2, label %b1 b1: ; preds = %b0 %v1 = tail call i32 @f3(ptr @g6) store volatile i32 1, ptr @g0, align 4, !tbaa !0 br label %b3 b2: ; preds = %b0 %v2 = tail call i32 @f3(ptr @g7) store volatile i32 1, ptr @g1, align 4, !tbaa !0 br label %b3 b3: ; preds = %b3, %b2, %b1 %v3 = load volatile i32, ptr @g2, align 4, !tbaa !0 %v4 = icmp eq i32 %v3, 0 br i1 %v4, label %b3, label %b4 b4: ; preds = %b3 %v5 = select i1 %v0, ptr @g5, ptr @g4 br label %b5 b5: ; preds = %b5, %b4 %v6 = phi ptr [ %v5, %b4 ], [ %v29, %b5 ] %v7 = phi i32 [ 0, %b4 ], [ %v27, %b5 ] %v8 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v8, ptr %v6, align 4, !tbaa !0 %v9 = getelementptr i32, ptr %v6, i32 1 %v10 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v10, ptr %v9, align 4, !tbaa !0 %v11 = getelementptr i32, ptr %v6, i32 2 %v12 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v12, ptr %v11, align 4, !tbaa !0 %v13 = getelementptr i32, ptr %v6, i32 3 %v14 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v14, ptr %v13, align 4, !tbaa !0 %v15 = getelementptr i32, ptr %v6, i32 4 %v16 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v16, ptr %v15, align 4, !tbaa !0 %v17 = getelementptr i32, ptr %v6, i32 5 %v18 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v18, ptr %v17, align 4, !tbaa !0 %v19 = getelementptr i32, ptr %v6, i32 6 %v20 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v20, ptr %v19, align 4, !tbaa !0 %v21 = getelementptr i32, ptr %v6, i32 7 %v22 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v22, ptr %v21, align 4, !tbaa !0 %v23 = getelementptr i32, ptr %v6, i32 8 %v24 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v24, ptr %v23, align 4, !tbaa !0 %v25 = getelementptr i32, ptr %v6, i32 9 %v26 = tail call i32 asm sideeffect "1: $0 = memw_locked($2)\0A $0 = add($0, $3)\0A memw_locked($2, p0) = $0\0A if !p0 jump 1b\0A", "=&r,=*m,r,r,*m,~{p0}"(ptr elementtype(i32) @g3, ptr @g3, i32 1, ptr elementtype(i32) @g3), !srcloc !4 store i32 %v26, ptr %v25, align 4, !tbaa !0 %v27 = add nsw i32 %v7, 10 %v28 = icmp eq i32 %v27, 100 %v29 = getelementptr i32, ptr %v6, i32 10 br i1 %v28, label %b6, label %b5 b6: ; preds = %b5 tail call void @f2(i32 0) #1 ret void } ; Function Attrs: nounwind declare void @f2(i32) #1 ; Function Attrs: nounwind declare i32 @f3(ptr nocapture readonly) #1 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-fatures"="+hvx,+hvx-length64b" } attributes #1 = { nounwind } !0 = !{!1, !1, i64 0} !1 = !{!"int", !2, i64 0} !2 = !{!"omnipotent char", !3, i64 0} !3 = !{!"Simple C/C++ TBAA"} !4 = !{i32 12730, i32 12771, i32 12807, i32 12851}