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| ; RUN: llc -march=hexagon -enable-pipeliner -pipeliner-max-stages=1 < %s -pipeliner-experimental-cg=true | FileCheck %s
; Test that we update the offset correctly for loads that are
; moved past stores. In these cases, we change the dependences
; to make it easier to move the instructions, and we have to update
; the register/offsets correctly after the schedule is finalized.
@g0 = common global [400 x i32] zeroinitializer, align 8
@g1 = common global [400 x i32] zeroinitializer, align 8
; Function Attrs: nounwind
define void @f0() #0 {
b0:
br label %b2
b1: ; preds = %b2
ret void
; CHECK: loop0(.LBB0_[[LOOP:.]],
; CHECK: .LBB0_[[LOOP]]:
; CHECK: = memd([[REG1:(r[0-9]+)]]+#8)
; CHECK: memd([[REG1]]++#8) =
; CHECK: }{{[ \t]*}}:endloop
b2: ; preds = %b2, %b0
%v0 = phi i32* [ getelementptr inbounds ([400 x i32], [400 x i32]* @g0, i32 0, i32 0), %b0 ], [ %v11, %b2 ]
%v1 = phi i32* [ getelementptr inbounds ([400 x i32], [400 x i32]* @g1, i32 0, i32 0), %b0 ], [ %v12, %b2 ]
%v2 = phi i32 [ 0, %b0 ], [ %v9, %b2 ]
%v3 = bitcast i32* %v0 to <2 x i32>*
%v4 = load <2 x i32>, <2 x i32>* %v3, align 8
%v5 = mul <2 x i32> %v4, <i32 7, i32 7>
%v6 = bitcast i32* %v1 to <2 x i32>*
%v7 = load <2 x i32>, <2 x i32>* %v6, align 8
%v8 = add <2 x i32> %v7, %v5
store <2 x i32> %v8, <2 x i32>* %v6, align 8
%v9 = add nsw i32 %v2, 2
%v10 = icmp slt i32 %v2, 398
%v11 = getelementptr i32, i32* %v0, i32 2
%v12 = getelementptr i32, i32* %v1, i32 2
br i1 %v10, label %b2, label %b1
}
attributes #0 = { nounwind "target-cpu"="hexagonv55" }
|