77 lines
1.5 KiB
LLVM
77 lines
1.5 KiB
LLVM
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; RUN: opt < %s -gvn-hoist -S | FileCheck %s
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@g = external constant i8*
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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 i8* bitcast (i32 (...)* @gxx_personality to i8*) {
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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 { i8*, i32 }
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catch i8* bitcast (i8** @g to i8*)
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catch i8* 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 i32*, i32** undef, align 8
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;CHECK-NEXT: invoke void @f1()
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4:
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%5 = load i32*, i32** 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 i32*, i32** undef, align 8
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;CHECK-NEXT: %8 = load i32*, i32** undef, align 8
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6:
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%7 = load i32*, i32** undef, align 8
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%8 = load i32*, i32** 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(i32* 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 { i8*, i32 }
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catch i8* bitcast (i8** @g to i8*)
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catch i8* 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 void ()* @f0, { 1, 0 }
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uselistorder label %1, { 0, 3, 1, 2 }
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}
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