80 lines
2.2 KiB
LLVM
80 lines
2.2 KiB
LLVM
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; REQUIRES: assert
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; RUN: opt -print-predicateinfo -analyze -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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