43 lines
1.5 KiB
LLVM
43 lines
1.5 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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;
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; Make sure that the A2_andp is not split.
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;
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; CHECK: loop0([[LOOP:.LBB[_0-9]+]],{{.*}})
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; CHECK: [[LOOP]]:
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; CHECK: and(r{{[0-9]+}}:{{[0-9]+}},r{{[0-9]+}}:{{[0-9]+}})
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target triple = "hexagon"
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define void @fred(i64 %a0, i64 %a1, i64 %a2, i64* nocapture %a3, i32 %a4) local_unnamed_addr #0 {
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b5:
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%v6 = icmp sgt i32 %a4, 0
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br i1 %v6, label %b7, label %b20
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b7: ; preds = %b7, %b5
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%v8 = phi i64* [ %v16, %b7 ], [ %a3, %b5 ]
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%v9 = phi i32 [ %v18, %b7 ], [ 0, %b5 ]
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%v10 = phi i64 [ %v17, %b7 ], [ %a0, %b5 ]
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%v11 = tail call i64 @llvm.hexagon.A2.andp(i64 %v10, i64 1085102592571150095)
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%v12 = tail call i32 @llvm.hexagon.A2.vcmpbgtu(i64 %a1, i64 %v11)
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%v13 = tail call i64 @llvm.hexagon.A2.vsubub(i64 %v11, i64 %a1)
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%v14 = and i32 %v12, 255
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%v15 = tail call i64 @llvm.hexagon.C2.vmux(i32 %v14, i64 %a2, i64 %v13)
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store i64 %v15, i64* %v8, align 8
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%v16 = getelementptr i64, i64* %v8, i32 1
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%v17 = load i64, i64* %v16, align 8
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%v18 = add nuw nsw i32 %v9, 1
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%v19 = icmp eq i32 %v18, %a4
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br i1 %v19, label %b20, label %b7
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b20: ; preds = %b7, %b5
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ret void
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}
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declare i64 @llvm.hexagon.A2.andp(i64, i64) #1
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declare i32 @llvm.hexagon.A2.vcmpbgtu(i64, i64) #1
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declare i64 @llvm.hexagon.A2.vsubub(i64, i64) #1
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declare i64 @llvm.hexagon.C2.vmux(i32, i64, i64) #1
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attributes #0 = { nounwind "target-cpu"="hexagonv60" }
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attributes #1 = { nounwind readnone }
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