72 lines
2.0 KiB
LLVM
72 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
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; The indirectbr needs a block address. The add can't produce that.
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; This shouldn't crash.
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define void @cast_with_binop() {
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; CHECK-LABEL: @cast_with_binop(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[OP:%.*]] = add i64 ptrtoint (ptr inttoptr (i32 1 to ptr) to i64), undef
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; CHECK-NEXT: [[CAST:%.*]] = inttoptr i64 [[OP]] to ptr
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; CHECK-NEXT: indirectbr ptr [[CAST]], [label [[BB3:%.*]], label %bb2]
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; CHECK: bb2:
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; CHECK-NEXT: unreachable
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; CHECK: bb3:
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; CHECK-NEXT: ret void
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;
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bb:
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%op = add i64 ptrtoint (ptr inttoptr (i32 1 to ptr) to i64), undef
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%cast = inttoptr i64 %op to ptr
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indirectbr ptr %cast, [label %bb3, label %bb2]
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bb2:
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unreachable
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bb3:
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ret void
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}
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; The indirectbr needs a block address. The add can't produce that.
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; This shouldn't crash.
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define void @cast_with_i1(i1 %x, i1 %y) {
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; CHECK-LABEL: @cast_with_i1(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[OP:%.*]] = add i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[CAST:%.*]] = inttoptr i1 [[OP]] to ptr
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; CHECK-NEXT: indirectbr ptr [[CAST]], [label [[BB3:%.*]], label %bb2]
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; CHECK: bb2:
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; CHECK-NEXT: unreachable
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; CHECK: bb3:
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; CHECK-NEXT: ret void
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;
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bb:
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%op = add i1 %x, %y
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%cast = inttoptr i1 %op to ptr
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indirectbr ptr %cast, [label %bb3, label %bb2]
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bb2:
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unreachable
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bb3:
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ret void
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}
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; The indirectbr needs a block address. The cmp can't produce that.
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; This shouldn't crash.
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define void @cast_with_cmp(i1 %x, i1 %y) {
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; CHECK-LABEL: @cast_with_cmp(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[OP:%.*]] = icmp slt i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[CAST:%.*]] = inttoptr i1 [[OP]] to ptr
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; CHECK-NEXT: indirectbr ptr [[CAST]], [label [[BB3:%.*]], label %bb2]
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; CHECK: bb2:
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; CHECK-NEXT: unreachable
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; CHECK: bb3:
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; CHECK-NEXT: ret void
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;
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bb:
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%op = icmp slt i1 %x, %y
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%cast = inttoptr i1 %op to ptr
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indirectbr ptr %cast, [label %bb3, label %bb2]
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bb2:
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unreachable
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bb3:
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ret void
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}
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