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| ; 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(i8* nocapture readnone %a0) #0 {
b0:
tail call void @f1(i8* %a0, i32 0)
ret void
}
; Function Attrs: nounwind
define internal void @f1(i8* 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(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @g6, i32 0, i32 0))
store volatile i32 1, i32* @g0, align 4, !tbaa !0
br label %b3
b2: ; preds = %b0
%v2 = tail call i32 @f3(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @g7, i32 0, i32 0))
store volatile i32 1, i32* @g1, align 4, !tbaa !0
br label %b3
b3: ; preds = %b3, %b2, %b1
%v3 = load volatile i32, i32* @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, i32* getelementptr inbounds ([100 x i32], [100 x i32]* @g5, i32 0, i32 0), i32* getelementptr inbounds ([100 x i32], [100 x i32]* @g4, i32 0, i32 0)
br label %b5
b5: ; preds = %b5, %b4
%v6 = phi i32* [ %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v8, i32* %v6, align 4, !tbaa !0
%v9 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v10, i32* %v9, align 4, !tbaa !0
%v11 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v12, i32* %v11, align 4, !tbaa !0
%v13 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v14, i32* %v13, align 4, !tbaa !0
%v15 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v16, i32* %v15, align 4, !tbaa !0
%v17 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v18, i32* %v17, align 4, !tbaa !0
%v19 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v20, i32* %v19, align 4, !tbaa !0
%v21 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v22, i32* %v21, align 4, !tbaa !0
%v23 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v24, i32* %v23, align 4, !tbaa !0
%v25 = getelementptr i32, i32* %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}"(i32* @g3, i32* @g3, i32 1, i32* @g3), !srcloc !4
store i32 %v26, i32* %v25, align 4, !tbaa !0
%v27 = add nsw i32 %v7, 10
%v28 = icmp eq i32 %v27, 100
%v29 = getelementptr i32, i32* %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(i8* 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}
|