86 lines
2.5 KiB
Plaintext
86 lines
2.5 KiB
Plaintext
; RUN: llc -disable-lsr -march=hexagon -enable-pipeliner \
|
|
; RUN: -debug-only=pipeliner < %s 2>&1 > /dev/null -pipeliner-experimental-cg=true | FileCheck %s
|
|
; REQUIRES: asserts
|
|
;
|
|
; Test that checks that the II set by pragma was reset between loops.
|
|
|
|
; CHECK: MII = 10 MAX_II = 10
|
|
; CHECK: MII = 1 MAX_II = 11 (rec=1, res=1)
|
|
; CHECK-NOT: MII = 10 MAX_II = 10
|
|
|
|
; Function Attrs: nounwind
|
|
define void @f0(i32* nocapture %a0, i32 %a1) #0 {
|
|
b0:
|
|
%v0 = icmp sgt i32 %a1, 1
|
|
br i1 %v0, label %b1, label %b4
|
|
|
|
b1: ; preds = %b0
|
|
%v1 = load i32, i32* %a0, align 4
|
|
%v2 = add i32 %v1, 10
|
|
%v3 = getelementptr i32, i32* %a0, i32 1
|
|
%v4 = add i32 %a1, -1
|
|
br label %b2
|
|
|
|
b2: ; preds = %b2, %b1
|
|
%v5 = phi i32 [ %v12, %b2 ], [ %v4, %b1 ]
|
|
%v6 = phi i32* [ %v11, %b2 ], [ %v3, %b1 ]
|
|
%v7 = phi i32 [ %v10, %b2 ], [ %v2, %b1 ]
|
|
store i32 %v7, i32* %v6, align 4
|
|
%v8 = add i32 %v7, 10
|
|
%v9 = getelementptr i32, i32* %v6, i32 -1
|
|
store i32 %v8, i32* %v9, align 4
|
|
%v10 = add i32 %v7, 10
|
|
%v11 = getelementptr i32, i32* %v6, i32 1
|
|
%v12 = add i32 %v5, -1
|
|
%v13 = icmp eq i32 %v12, 0
|
|
br i1 %v13, label %b3, label %b2
|
|
|
|
b3: ; preds = %b2
|
|
br label %b4 , !llvm.loop !2
|
|
|
|
b4: ; preds = %b3, %b0
|
|
ret void
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
define void @f1(i32* nocapture %a0, i32 %a1) #0 {
|
|
b0:
|
|
%v0 = icmp sgt i32 %a1, 1
|
|
br i1 %v0, label %b1, label %b4
|
|
|
|
b1: ; preds = %b0
|
|
%v1 = load i32, i32* %a0, align 4
|
|
%v2 = add i32 %v1, 10
|
|
%v3 = getelementptr i32, i32* %a0, i32 1
|
|
%v4 = add i32 %a1, -1
|
|
br label %b2
|
|
|
|
b2: ; preds = %b2, %b1
|
|
%v5 = phi i32 [ %v12, %b2 ], [ %v4, %b1 ]
|
|
%v6 = phi i32* [ %v11, %b2 ], [ %v3, %b1 ]
|
|
%v7 = phi i32 [ %v10, %b2 ], [ %v2, %b1 ]
|
|
store i32 %v7, i32* %v6, align 4
|
|
%v8 = add i32 %v7, 10
|
|
%v9 = getelementptr i32, i32* %v6, i32 -1
|
|
store i32 %v8, i32* %v9, align 4
|
|
%v10 = add i32 %v7, 10
|
|
%v11 = getelementptr i32, i32* %v6, i32 1
|
|
%v12 = add i32 %v5, -1
|
|
%v13 = icmp eq i32 %v12, 0
|
|
br i1 %v13, label %b3, label %b2
|
|
|
|
b3: ; preds = %b2
|
|
br label %b4
|
|
|
|
b4: ; preds = %b3, %b0
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|
|
|
|
!0 = !{i32 1, !"wchar_size", i32 4}
|
|
!1 = !{!2, !2, i64 0}
|
|
!2 = distinct !{!2, !3}
|
|
!3 = !{!"llvm.loop.pipeline.initiationinterval", i32 10}
|
|
|