52 lines
1.6 KiB
LLVM
52 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
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declare void @may_unwind()
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declare i32 @__gxx_personality_v0(...)
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define i1 @test_invoke_in_block_with_assume(i32 %x) personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: @test_invoke_in_block_with_assume(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @may_unwind()
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; CHECK-NEXT: [[C_1:%.*]] = icmp ult i32 [[X:%.*]], 10
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; CHECK-NEXT: call void @llvm.assume(i1 [[C_1]])
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; CHECK-NEXT: invoke void @may_unwind()
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; CHECK-NEXT: to label [[CONT:%.*]] unwind label [[LPAD:%.*]]
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; CHECK: cont:
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; CHECK-NEXT: [[T_1:%.*]] = icmp ult i32 [[X]], 10
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; CHECK-NEXT: [[C_2:%.*]] = icmp ult i32 [[X]], 9
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; CHECK-NEXT: [[RES_1:%.*]] = xor i1 true, [[C_2]]
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; CHECK-NEXT: ret i1 [[RES_1]]
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; CHECK: lpad:
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; CHECK-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: filter [0 x ptr] zeroinitializer
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; CHECK-NEXT: [[T_2:%.*]] = icmp ult i32 [[X]], 10
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; CHECK-NEXT: [[C_3:%.*]] = icmp ult i32 [[X]], 9
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; CHECK-NEXT: [[RES_2:%.*]] = xor i1 true, [[C_3]]
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; CHECK-NEXT: ret i1 [[RES_2]]
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;
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entry:
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call void @may_unwind()
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%c.1 = icmp ult i32 %x, 10
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call void @llvm.assume(i1 %c.1)
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invoke void @may_unwind()
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to label %cont unwind label %lpad
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cont:
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%t.1 = icmp ult i32 %x, 10
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%c.2 = icmp ult i32 %x, 9
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%res.1 = xor i1 %t.1, %c.2
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ret i1 %res.1
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lpad:
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%lp = landingpad { ptr, i32 }
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filter [0 x ptr] zeroinitializer
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%t.2 = icmp ult i32 %x, 10
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%c.3 = icmp ult i32 %x, 9
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%res.2 = xor i1 %t.2, %c.3
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ret i1 %res.2
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}
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declare void @llvm.assume(i1)
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