76 lines
1.4 KiB
LLVM
76 lines
1.4 KiB
LLVM
; RUN: opt < %s -passes=gvn-hoist -S | FileCheck %s
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@g = external constant ptr
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declare i32 @gxx_personality(...)
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declare void @f0()
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declare void @f1()
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declare void @f2()
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; Make sure opt won't crash and that the load
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; is not hoisted from label6 to label4
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;CHECK-LABEL: @func
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define void @func() personality ptr @gxx_personality {
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invoke void @f0()
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to label %3 unwind label %1
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1:
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%2 = landingpad { ptr, i32 }
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catch ptr @g
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catch ptr null
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br label %16
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3:
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br i1 undef, label %4, label %10
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;CHECK: 4:
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;CHECK-NEXT: %5 = load ptr, ptr undef, align 8
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;CHECK-NEXT: invoke void @f1()
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4:
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%5 = load ptr, ptr undef, align 8
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invoke void @f1()
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to label %6 unwind label %1
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;CHECK: 6:
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;CHECK-NEXT: %7 = load ptr, ptr undef, align 8
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;CHECK-NEXT: %8 = load ptr, ptr undef, align 8
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6:
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%7 = load ptr, ptr undef, align 8
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%8 = load ptr, ptr undef, align 8
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br i1 true, label %9, label %17
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9:
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invoke void @f0()
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to label %10 unwind label %1
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10:
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invoke void @f2()
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to label %11 unwind label %1
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11:
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%12 = invoke signext i32 undef(ptr null, i32 signext undef, i1 zeroext undef)
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to label %13 unwind label %14
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13:
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unreachable
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14:
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%15 = landingpad { ptr, i32 }
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catch ptr @g
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catch ptr null
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br label %16
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16:
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unreachable
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17:
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ret void
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; uselistorder directives
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uselistorder ptr @f0, { 1, 0 }
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uselistorder label %1, { 0, 3, 1, 2 }
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}
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