8ebb3eac02
The legacy PM is deprecated, so update a bunch of lit tests running opt to use the new PM syntax when specifying the pipeline. In this patch focus has been put on test cases for ConstantMerge, ConstraintElimination, CorrelatedValuePropagation, GlobalDCE, GlobalOpt, SCCP, TailCallElim and PredicateInfo. Differential Revision: https://reviews.llvm.org/D114516
67 lines
1.8 KiB
LLVM
67 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=correlated-propagation -S %s | FileCheck %s
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target triple = "x86_64-apple-darwin17.4.0"
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define void @patatino() {
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; CHECK-LABEL: @patatino(
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; CHECK-NEXT: br i1 undef, label [[BB3:%.*]], label [[BB4:%.*]]
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; CHECK: bb3:
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; CHECK-NEXT: br label [[BB3]]
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; CHECK: bb4:
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; CHECK-NEXT: br i1 undef, label [[BB40:%.*]], label [[BB22:%.*]]
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; CHECK: bb7:
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; CHECK-NEXT: br label [[BB14:%.*]]
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; CHECK: bb12:
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; CHECK-NEXT: br label [[BB14]]
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; CHECK: bb14:
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; CHECK-NEXT: [[TMP19:%.*]] = icmp sgt i32 undef, undef
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; CHECK-NEXT: [[TMP20:%.*]] = select i1 [[TMP19]], i64 [[TMP20]], i64 0
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; CHECK-NEXT: br i1 undef, label [[BB40]], label [[BB7:%.*]]
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; CHECK: bb22:
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; CHECK-NEXT: br label [[BB24:%.*]]
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; CHECK: bb24:
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; CHECK-NEXT: br label [[BB32:%.*]]
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; CHECK: bb32:
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; CHECK-NEXT: br i1 undef, label [[BB40]], label [[BB24]]
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; CHECK: bb40:
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; CHECK-NEXT: [[TMP41:%.*]] = phi i64 [ 4, [[BB4]] ], [ [[TMP20]], [[BB14]] ], [ undef, [[BB32]] ]
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; CHECK-NEXT: ret void
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;
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br i1 undef, label %bb3, label %bb4
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bb3:
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br label %bb3
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bb4:
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br i1 undef, label %bb40, label %bb22
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bb7:
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br label %bb14
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bb12:
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br label %bb14
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; This block is unreachable. Due to the non-standard definition of
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; dominance in LLVM where uses in unreachable blocks are dominated
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; by anything, it contains an instruction of the form
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; %def = OP %def, %something
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bb14:
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%tmp19 = icmp sgt i32 undef, undef
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%tmp20 = select i1 %tmp19, i64 %tmp20, i64 0
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br i1 undef, label %bb40, label %bb7
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bb22:
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br label %bb24
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bb24:
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br label %bb32
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bb32:
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br i1 undef, label %bb40, label %bb24
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bb40:
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%tmp41 = phi i64 [ 4, %bb4 ], [ %tmp20, %bb14 ], [ undef, %bb32 ]
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ret void
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}
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