derek.holloway
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107 lines
2.6 KiB
LLVM
107 lines
2.6 KiB
LLVM
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc18.0.0"
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declare i32 @__CxxFrameHandler3(...)
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define void @test1() personality ptr @__CxxFrameHandler3 {
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bb:
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unreachable
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unreachable:
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%cl = cleanuppad within none []
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cleanupret from %cl unwind to caller
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}
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; CHECK-LABEL: define void @test1(
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; CHECK: unreachable:
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; CHECK: %cl = cleanuppad within none []
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; CHECK: cleanupret from %cl unwind to caller
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define void @test2(i8 %A, i8 %B) personality ptr @__CxxFrameHandler3 {
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bb:
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%X = zext i8 %A to i32
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invoke void @g(i32 0)
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to label %cont
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unwind label %catch
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cont:
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%Y = zext i8 %B to i32
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invoke void @g(i32 0)
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to label %unreachable
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unwind label %catch
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catch:
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%phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
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%cs = catchswitch within none [label %doit] unwind to caller
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doit:
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%cl = catchpad within %cs []
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call void @g(i32 %phi)
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unreachable
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unreachable:
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unreachable
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}
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; CHECK-LABEL: define void @test2(
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; CHECK: %X = zext i8 %A to i32
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; CHECK: %Y = zext i8 %B to i32
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; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
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define void @test3(i8 %A, i8 %B) personality ptr @__CxxFrameHandler3 {
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bb:
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%X = zext i8 %A to i32
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invoke void @g(i32 0)
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to label %cont
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unwind label %catch
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cont:
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%Y = zext i8 %B to i32
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invoke void @g(i32 0)
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to label %cont2
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unwind label %catch
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cont2:
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invoke void @g(i32 0)
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to label %unreachable
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unwind label %catch
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catch:
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%phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
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%cs = catchswitch within none [label %doit] unwind to caller
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doit:
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%cl = catchpad within %cs []
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call void @g(i32 %phi)
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unreachable
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unreachable:
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unreachable
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}
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; CHECK-LABEL: define void @test3(
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; CHECK: %X = zext i8 %A to i32
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; CHECK: %Y = zext i8 %B to i32
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; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
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declare void @foo()
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declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
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define void @test4(ptr addrspace(1) %obj) gc "statepoint-example" {
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bb:
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unreachable
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unreachable:
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call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) ["deopt" (i32 0, i32 -1, i32 0, i32 0, i32 0)]
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ret void
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}
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; CHECK-LABEL: define void @test4(
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; CHECK: unreachable:
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; CHECK: call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
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; CHECK: ret void
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declare void @g(i32)
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