forked from OSchip/llvm-project
32 lines
1.0 KiB
LLVM
32 lines
1.0 KiB
LLVM
; REQUIRES: to-be-fixed
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; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s -pipeliner-experimental-cg=true | FileCheck %s
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; Multiply and accumulate
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; CHECK: mpyi([[REG0:r([0-9]+)]],[[REG1:r([0-9]+)]])
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; CHECK-NEXT: [[REG1]] = memw(r{{[0-9]+}}++#4)
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; CHECK-NEXT: [[REG0]] = memw(r{{[0-9]+}}++#4)
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; CHECK-NEXT: endloop0
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define i32 @f0(i32* %a0, i32* %a1, i32 %a2) {
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b0:
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br label %b1
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b1: ; preds = %b1, %b0
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%v0 = phi i32 [ 0, %b0 ], [ %v7, %b1 ]
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%v1 = phi i32* [ %a0, %b0 ], [ %v10, %b1 ]
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%v2 = phi i32* [ %a1, %b0 ], [ %v11, %b1 ]
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%v3 = phi i32 [ 0, %b0 ], [ %v8, %b1 ]
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%v4 = load i32, i32* %v1, align 4
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%v5 = load i32, i32* %v2, align 4
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%v6 = mul nsw i32 %v5, %v4
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%v7 = add nsw i32 %v6, %v0
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%v8 = add nsw i32 %v3, 1
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%v9 = icmp eq i32 %v8, 10000
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%v10 = getelementptr i32, i32* %v1, i32 1
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%v11 = getelementptr i32, i32* %v2, i32 1
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br i1 %v9, label %b2, label %b1
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b2: ; preds = %b1
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ret i32 %v7
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}
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