forked from OSchip/llvm-project
152 lines
6.2 KiB
LLVM
152 lines
6.2 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; Check that 3 or more addressing modes using the same constant extender are
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; transformed into using a register.
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; CHECK: r{{[0-9]+}} = ##g1
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; CHECK: r{{[0-9]+}} = memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2)
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; CHECK: r{{[0-9]+}} = memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2)
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; CHECK: r{{[0-9]+}} = memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2)
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; CHECK-NOT: r{{[0-9]+}} = memw(r{{[0-9]+}}<<#2+##g1)
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; CHECK-NOT: r{{[0-9]+}} = memw(r{{[0-9]+}}<<#2+##g1)
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; CHECK-NOT: r{{[0-9]+}} = memw(r{{[0-9]+}}<<#2+##g1)
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; CHECK: memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2) = r{{[0-9]+}}
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; CHECK: memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2) = r{{[0-9]+}}
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; CHECK: memw(r{{[0-9]+}}+r{{[0-9]+}}<<#2) = r{{[0-9]+}}
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; CHECK-NOT: memw(r{{[0-9]+}}<<#2+##g1) = r{{[0-9]+}}
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; CHECK-NOT: memw(r{{[0-9]+}}<<#2+##g1) = r{{[0-9]+}}
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; CHECK-NOT: memw(r{{[0-9]+}}<<#2+##g1) = r{{[0-9]+}}
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target triple = "hexagon-unknown-linux-gnu"
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@g0 = external global i32
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@g1 = external global [13595 x i32], align 8
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@g2 = external global [13595 x i32], align 8
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define i32 @f0(i32 %a0, i32* nocapture %a1) {
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b0:
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%v0 = load i32, i32* %a1, align 4
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%v1 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v0
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%v2 = load i32, i32* %v1, align 4
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%v3 = icmp sgt i32 %v2, %a0
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br i1 %v3, label %b1, label %b2
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b1: ; preds = %b0
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%v4 = load i32, i32* @g0, align 4
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store i32 %v4, i32* %a1, align 4
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%v5 = load i32, i32* @g0, align 4
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%v6 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v5
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%v7 = load i32, i32* %v6, align 4
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store i32 %v7, i32* @g0, align 4
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%v8 = load i32, i32* %a1, align 4
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%v9 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v8
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store i32 %v0, i32* %v9, align 4
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%v10 = load i32, i32* %a1, align 4
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%v11 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v10
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store i32 %a0, i32* %v11, align 4
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br label %b16
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b2: ; preds = %b0
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%v12 = icmp eq i32 %v2, %a0
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br i1 %v12, label %b16, label %b3
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b3: ; preds = %b2
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br label %b4
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b4: ; preds = %b13, %b3
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%v13 = phi i32 [ %v45, %b13 ], [ %v0, %b3 ]
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%v14 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v13
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%v15 = load i32, i32* %v14, align 4
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%v16 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v15
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%v17 = load i32, i32* %v16, align 4
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%v18 = icmp slt i32 %v17, %a0
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br i1 %v18, label %b7, label %b5
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b5: ; preds = %b4
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%v19 = icmp eq i32 %v17, %a0
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br i1 %v19, label %b16, label %b6
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b6: ; preds = %b5
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%v20 = load i32, i32* @g0, align 4
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store i32 %v20, i32* %v14, align 4
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%v21 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v20
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store i32 %a0, i32* %v21, align 4
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%v22 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v20
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%v23 = load i32, i32* %v22, align 4
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store i32 %v23, i32* @g0, align 4
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store i32 %v15, i32* %v22, align 4
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br label %b16
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b7: ; preds = %b4
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%v24 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v15
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%v25 = load i32, i32* %v24, align 4
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%v26 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v25
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%v27 = load i32, i32* %v26, align 4
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%v28 = icmp slt i32 %v27, %a0
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br i1 %v28, label %b10, label %b8
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b8: ; preds = %b7
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%v29 = icmp eq i32 %v27, %a0
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br i1 %v29, label %b16, label %b9
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b9: ; preds = %b8
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%v30 = load i32, i32* @g0, align 4
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store i32 %v30, i32* %v24, align 4
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%v31 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v30
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store i32 %a0, i32* %v31, align 4
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%v32 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v30
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%v33 = load i32, i32* %v32, align 4
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store i32 %v33, i32* @g0, align 4
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store i32 %v25, i32* %v32, align 4
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br label %b16
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b10: ; preds = %b7
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%v34 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v25
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%v35 = load i32, i32* %v34, align 4
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%v36 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v35
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%v37 = load i32, i32* %v36, align 4
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%v38 = icmp slt i32 %v37, %a0
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br i1 %v38, label %b13, label %b11
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b11: ; preds = %b10
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%v39 = icmp eq i32 %v37, %a0
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br i1 %v39, label %b16, label %b12
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b12: ; preds = %b11
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%v40 = load i32, i32* @g0, align 4
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store i32 %v40, i32* %v34, align 4
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%v41 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v40
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store i32 %a0, i32* %v41, align 4
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%v42 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v40
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%v43 = load i32, i32* %v42, align 4
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store i32 %v43, i32* @g0, align 4
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store i32 %v35, i32* %v42, align 4
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br label %b16
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b13: ; preds = %b10
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%v44 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v35
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%v45 = load i32, i32* %v44, align 4
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%v46 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v45
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%v47 = load i32, i32* %v46, align 4
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%v48 = icmp slt i32 %v47, %a0
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br i1 %v48, label %b4, label %b14
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b14: ; preds = %b13
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%v49 = icmp eq i32 %v47, %a0
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br i1 %v49, label %b16, label %b15
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b15: ; preds = %b14
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%v50 = load i32, i32* @g0, align 4
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store i32 %v50, i32* %v44, align 4
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%v51 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g1, i32 0, i32 %v50
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store i32 %a0, i32* %v51, align 4
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%v52 = getelementptr inbounds [13595 x i32], [13595 x i32]* @g2, i32 0, i32 %v50
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%v53 = load i32, i32* %v52, align 4
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store i32 %v53, i32* @g0, align 4
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store i32 %v45, i32* %v52, align 4
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br label %b16
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b16: ; preds = %b15, %b14, %b12, %b11, %b9, %b8, %b6, %b5, %b2, %b1
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%v54 = phi i32 [ 1, %b1 ], [ 1, %b6 ], [ 1, %b9 ], [ 1, %b12 ], [ 1, %b15 ], [ 0, %b2 ], [ 0, %b5 ], [ 0, %b8 ], [ 0, %b11 ], [ 0, %b14 ]
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ret i32 %v54
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}
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