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
80 lines
2.2 KiB
LLVM
80 lines
2.2 KiB
LLVM
; REQUIRES: assert-but-this-is-misspelled-and-should-say-asserts-but-then-the-test-case-will-fail
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; RUN: opt -passes=print-predicateinfo -debug < %s 2>&1 | FileCheck %s
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declare void @use(i32)
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; Make sure we are visiting the values to build predicate infos for in a
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; deterministic order.
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define i32 @test12(i32 %x, i32 %y) {
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; CHECK: Visiting i32 %x
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; CHECK: Visiting i32 %y
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; CHECK: Visiting %lcmp = icmp eq i32 %x, 0
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; CHECK: Visiting %lcmp2 = icmp slt i32 %y, 1000
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; CHECK: Visiting %lcmp3 = icmp slt i32 %y.0, 900
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; CHECK: Visiting %lcmp4 = icmp slt i32 %y.0.1, 700
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; CHECK: Visiting %lcmp5 = icmp slt i32 %y.0.1.2, 700
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; CHECK: Visiting %lcmp6 = icmp slt i32 %y.0.1.2.3, 700
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; CHECK: Visiting %lcmp7 = icmp slt i32 %y.0.1.2.3.4, 700
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; CHECK: Visiting %rcmp = icmp eq i32 %x, 0
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entry:
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br i1 undef, label %left, label %right
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left:
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%lcmp = icmp eq i32 %x, 0
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br i1 %lcmp, label %left_cond_true, label %left_cond_false
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left_cond_true:
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%lcmp2 = icmp slt i32 %y, 1000
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br i1 %lcmp2, label %left_cond_true2, label %left_ret
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left_cond_true2:
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call void @use(i32 %y)
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%lcmp3 = icmp slt i32 %y, 900
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br i1 %lcmp3, label %left_cond_true3, label %left_ret
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left_cond_true3:
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call void @use(i32 %y)
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%lcmp4 = icmp slt i32 %y, 700
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br i1 %lcmp4, label %left_cond_true4, label %left_ret
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left_cond_true4:
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call void @use(i32 %y)
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%lcmp5 = icmp slt i32 %y, 700
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br i1 %lcmp5, label %left_cond_true5, label %left_ret
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left_cond_true5:
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call void @use(i32 %y)
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%lcmp6 = icmp slt i32 %y, 700
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br i1 %lcmp6, label %left_cond_true6, label %left_ret
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left_cond_true6:
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call void @use(i32 %y)
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%lcmp7 = icmp slt i32 %y, 700
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br i1 %lcmp7, label %left_cond_true7, label %left_ret
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left_cond_true7:
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ret i32 %y
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left_cond_false:
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br label %left_ret
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left_ret:
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%lres = phi i32 [ %x, %left_cond_true ], [ %x, %left_cond_false ], [ %x, %left_cond_true2 ], [ %x, %left_cond_true3 ], [ %x, %left_cond_true4 ], [ %x, %left_cond_true5 ], [ %x, %left_cond_true6 ]
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ret i32 %lres
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right:
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%rcmp = icmp eq i32 %x, 0
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br i1 %rcmp, label %right_cond_true, label %right_cond_false
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right_cond_true:
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br label %right_ret
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right_cond_false:
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br label %right_ret
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right_ret:
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%rres = phi i32 [ %x, %right_cond_true ], [ %x, %right_cond_false ]
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ret i32 %rres
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}
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