87 lines
4 KiB
LLVM
87 lines
4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -S -passes=loop-unroll -unroll-allow-partial < %s | FileCheck %s
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declare void @use(i8)
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define void @test(i8 %start1, i8 %start2, i8 %start3, i8 %start4) {
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; CHECK-LABEL: define void @test
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; CHECK-SAME: (i8 [[START1:%.*]], i8 [[START2:%.*]], i8 [[START3:%.*]], i8 [[START4:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT_4:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV1:%.*]] = phi i8 [ [[START1]], [[ENTRY]] ], [ [[IV1_NEXT_4:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV2:%.*]] = phi i8 [ [[START2]], [[ENTRY]] ], [ [[IV2_NEXT_4:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV3:%.*]] = phi i8 [ [[START3]], [[ENTRY]] ], [ [[IV3_NEXT_4:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV4:%.*]] = phi i8 [ [[START4]], [[ENTRY]] ], [ [[IV4_NEXT_4:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV1_NEXT:%.*]] = add i8 [[IV1]], 1
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; CHECK-NEXT: call void @use(i8 [[IV1_NEXT]])
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; CHECK-NEXT: [[IV2_NEXT:%.*]] = add nuw i8 [[IV2]], 1
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; CHECK-NEXT: call void @use(i8 [[IV2_NEXT]])
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; CHECK-NEXT: [[IV3_NEXT:%.*]] = add nsw i8 [[IV3]], 1
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; CHECK-NEXT: call void @use(i8 [[IV3_NEXT]])
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; CHECK-NEXT: [[IV4_NEXT:%.*]] = add nsw i8 [[IV4]], 127
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; CHECK-NEXT: call void @use(i8 [[IV4_NEXT]])
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; CHECK-NEXT: [[IV1_NEXT_1:%.*]] = add i8 [[IV1]], 2
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; CHECK-NEXT: call void @use(i8 [[IV1_NEXT_1]])
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; CHECK-NEXT: [[IV2_NEXT_1:%.*]] = add nuw i8 [[IV2]], 2
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; CHECK-NEXT: call void @use(i8 [[IV2_NEXT_1]])
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; CHECK-NEXT: [[IV3_NEXT_1:%.*]] = add nsw i8 [[IV3]], 2
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; CHECK-NEXT: call void @use(i8 [[IV3_NEXT_1]])
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; CHECK-NEXT: [[IV4_NEXT_1:%.*]] = add i8 [[IV4]], -2
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; CHECK-NEXT: call void @use(i8 [[IV4_NEXT_1]])
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; CHECK-NEXT: [[IV1_NEXT_2:%.*]] = add i8 [[IV1]], 3
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; CHECK-NEXT: call void @use(i8 [[IV1_NEXT_2]])
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; CHECK-NEXT: [[IV2_NEXT_2:%.*]] = add nuw i8 [[IV2]], 3
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; CHECK-NEXT: call void @use(i8 [[IV2_NEXT_2]])
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; CHECK-NEXT: [[IV3_NEXT_2:%.*]] = add nsw i8 [[IV3]], 3
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; CHECK-NEXT: call void @use(i8 [[IV3_NEXT_2]])
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; CHECK-NEXT: [[IV4_NEXT_2:%.*]] = add i8 [[IV4]], 125
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; CHECK-NEXT: call void @use(i8 [[IV4_NEXT_2]])
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; CHECK-NEXT: [[IV1_NEXT_3:%.*]] = add i8 [[IV1]], 4
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; CHECK-NEXT: call void @use(i8 [[IV1_NEXT_3]])
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; CHECK-NEXT: [[IV2_NEXT_3:%.*]] = add nuw i8 [[IV2]], 4
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; CHECK-NEXT: call void @use(i8 [[IV2_NEXT_3]])
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; CHECK-NEXT: [[IV3_NEXT_3:%.*]] = add nsw i8 [[IV3]], 4
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; CHECK-NEXT: call void @use(i8 [[IV3_NEXT_3]])
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; CHECK-NEXT: [[IV4_NEXT_3:%.*]] = add i8 [[IV4]], -4
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; CHECK-NEXT: call void @use(i8 [[IV4_NEXT_3]])
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; CHECK-NEXT: [[IV_NEXT_3:%.*]] = add nuw nsw i32 [[IV]], 4
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; CHECK-NEXT: [[IV1_NEXT_4]] = add i8 [[IV1]], 5
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; CHECK-NEXT: call void @use(i8 [[IV1_NEXT_4]])
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; CHECK-NEXT: [[IV2_NEXT_4]] = add nuw i8 [[IV2]], 5
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; CHECK-NEXT: call void @use(i8 [[IV2_NEXT_4]])
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; CHECK-NEXT: [[IV3_NEXT_4]] = add nsw i8 [[IV3]], 5
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; CHECK-NEXT: call void @use(i8 [[IV3_NEXT_4]])
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; CHECK-NEXT: [[IV4_NEXT_4]] = add i8 [[IV4]], 123
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; CHECK-NEXT: call void @use(i8 [[IV4_NEXT_4]])
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; CHECK-NEXT: [[IV_NEXT_4]] = add nuw nsw i32 [[IV]], 5
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; CHECK-NEXT: [[CMP_4:%.*]] = icmp eq i32 [[IV_NEXT_3]], 1024
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; CHECK-NEXT: br i1 [[CMP_4]], label [[EXIT:%.*]], label [[LOOP]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%iv1 = phi i8 [ %start1, %entry ], [ %iv1.next, %loop ]
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%iv2 = phi i8 [ %start2, %entry ], [ %iv2.next, %loop ]
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%iv3 = phi i8 [ %start3, %entry ], [ %iv3.next, %loop ]
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%iv4 = phi i8 [ %start4, %entry ], [ %iv4.next, %loop ]
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%iv1.next = add i8 %iv1, 1
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call void @use(i8 %iv1.next)
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%iv2.next = add nuw i8 %iv2, 1
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call void @use(i8 %iv2.next)
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%iv3.next = add nsw i8 %iv3, 1
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call void @use(i8 %iv3.next)
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%iv4.next = add nsw i8 %iv4, 127
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call void @use(i8 %iv4.next)
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%iv.next = add i32 %iv, 1
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%cmp = icmp eq i32 %iv, 1024
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br i1 %cmp, label %exit, label %loop
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exit:
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ret void
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}
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