derek.holloway
7502bf64a4
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95 lines
3.0 KiB
LLVM
95 lines
3.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
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define i32 @test_loop_varying_bound_add_rec() {
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; CHECK-LABEL: define i32 @test_loop_varying_bound_add_rec() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_HEADER:%.*]]
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; CHECK: for.header:
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; CHECK-NEXT: [[IND1:%.*]] = phi i64 [ [[IND1_I:%.*]], [[FOR_LATCH:%.*]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[IND2:%.*]] = phi i64 [ [[IND2_I:%.*]], [[FOR_LATCH]] ], [ 5, [[ENTRY]] ]
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; CHECK-NEXT: [[REM:%.*]] = srem i64 [[IND2]], 4
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; CHECK-NEXT: [[CMP6:%.*]] = icmp eq i64 [[IND1]], [[REM]]
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; CHECK-NEXT: br i1 [[CMP6]], label [[EXIT1:%.*]], label [[FOR_LATCH]]
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; CHECK: for.latch:
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; CHECK-NEXT: [[IND2_I]] = add i64 [[IND2]], 1
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; CHECK-NEXT: [[IND1_I]] = add i64 [[IND1]], 1
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IND1_I]], 8
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; CHECK-NEXT: br i1 [[COND]], label [[EXIT2:%.*]], label [[FOR_HEADER]]
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; CHECK: exit2:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[REM]], 0
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; CHECK-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK: exit1:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %for.header
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for.header:
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%ind1 = phi i64 [ %ind1.i, %for.latch ], [ 0, %entry ]
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%ind2 = phi i64 [ %ind2.i, %for.latch ], [ 5, %entry ]
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%rem = srem i64 %ind2, 4
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%cmp6 = icmp eq i64 %ind1, %rem
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br i1 %cmp6, label %exit1, label %for.latch
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for.latch:
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%ind2.i = add i64 %ind2, 1
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%ind1.i = add i64 %ind1, 1
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%cond = icmp eq i64 %ind1.i, 8
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br i1 %cond, label %exit2, label %for.header
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exit2:
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%cmp = icmp eq i64 %rem, 0
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%ret = zext i1 %cmp to i32
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ret i32 %ret
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exit1:
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ret i32 0
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}
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declare i64 @callee()
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define i32 @test_loop_varying_bound_call() {
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; CHECK-LABEL: define i32 @test_loop_varying_bound_call() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_HEADER:%.*]]
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; CHECK: for.header:
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; CHECK-NEXT: [[IND1:%.*]] = phi i64 [ [[IND1_I:%.*]], [[FOR_LATCH:%.*]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[VAL:%.*]] = call i64 @callee()
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; CHECK-NEXT: [[CMP6:%.*]] = icmp eq i64 [[IND1]], [[VAL]]
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; CHECK-NEXT: br i1 [[CMP6]], label [[EXIT1:%.*]], label [[FOR_LATCH]]
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; CHECK: for.latch:
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; CHECK-NEXT: [[IND1_I]] = add i64 [[IND1]], 1
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; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IND1_I]], 8
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; CHECK-NEXT: br i1 [[COND]], label [[EXIT2:%.*]], label [[FOR_HEADER]]
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; CHECK: exit2:
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0
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; CHECK-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK: exit1:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %for.header
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for.header:
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%ind1 = phi i64 [ %ind1.i, %for.latch ], [ 0, %entry ]
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%val = call i64 @callee()
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%cmp6 = icmp eq i64 %ind1, %val
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br i1 %cmp6, label %exit1, label %for.latch
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for.latch:
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%ind1.i = add i64 %ind1, 1
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%cond = icmp eq i64 %ind1.i, 8
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br i1 %cond, label %exit2, label %for.header
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exit2:
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%cmp = icmp eq i64 %val, 0
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%ret = zext i1 %cmp to i32
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ret i32 %ret
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exit1:
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ret i32 0
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}
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