forked from OSchip/llvm-project
45 lines
1.3 KiB
LLVM
45 lines
1.3 KiB
LLVM
; RUN: llc -march=hexagon -disable-block-placement < %s | FileCheck %s
|
|
|
|
; Check that the branch to the block b10 is marked as taken (i.e. ":t").
|
|
; CHECK-LABEL: foo
|
|
; CHECK: if ({{.*}}) jump:t .LBB0_[[LAB:[0-9]+]]
|
|
; CHECK: [[LAB]]:
|
|
; CHECK: add({{.*}},#65)
|
|
|
|
target triple = "hexagon"
|
|
|
|
define i32 @foo(i32 %a0) local_unnamed_addr #0 {
|
|
b1:
|
|
%v2 = icmp eq i32 %a0, 0
|
|
br i1 %v2, label %b3, label %b10, !prof !0
|
|
|
|
b3: ; preds = %b1
|
|
br label %b4
|
|
|
|
b4: ; preds = %b4, %b3
|
|
%v5 = phi i32 [ %v6, %b4 ], [ 0, %b3 ]
|
|
%v6 = add nuw nsw i32 %v5, 1
|
|
%v7 = mul nuw nsw i32 %v5, 67
|
|
%v8 = tail call i32 @bar(i32 %v7) #0
|
|
%v9 = icmp eq i32 %v6, 10
|
|
br i1 %v9, label %b13, label %b4
|
|
|
|
b10: ; preds = %b1
|
|
%v11 = add nsw i32 %a0, 65
|
|
%v12 = tail call i32 @bar(i32 %v11) #0
|
|
br label %b14
|
|
|
|
b13: ; preds = %b4
|
|
br label %b14
|
|
|
|
b14: ; preds = %b13, %b10
|
|
%v15 = phi i32 [ %v12, %b10 ], [ 0, %b13 ]
|
|
ret i32 %v15
|
|
}
|
|
|
|
declare i32 @bar(i32) local_unnamed_addr #0
|
|
|
|
attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b,-long-calls" }
|
|
|
|
!0 = !{!"branch_weights", i32 1, i32 2000}
|