67 lines
1.8 KiB
LLVM
67 lines
1.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -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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