47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; RUN: opt -passes=gvn -S < %s | FileCheck %s
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; CHECK: define {{.*}}@eggs
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%struct.zot = type { ptr }
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%struct.wombat = type { ptr }
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%struct.baz = type { i8, ptr }
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@global = hidden unnamed_addr constant ptr @quux
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declare ptr @f()
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define hidden void @eggs(ptr %arg, i1 %arg2, ptr %arg3, i32 %arg4, ptr %arg5) unnamed_addr align 2 {
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bb:
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%tmp = alloca %struct.wombat, align 8
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store ptr @global, ptr %arg, align 8, !invariant.group !0
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br i1 %arg2, label %bb4, label %bb2
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bb2: ; preds = %bb
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%tmp3 = atomicrmw sub ptr %arg3, i32 %arg4 acq_rel, align 4
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br label %bb4
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bb4: ; preds = %bb2, %bb
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%tmp5 = load ptr, ptr %arg5, align 8
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%tmp6 = getelementptr inbounds %struct.baz, ptr %tmp5, i64 0, i32 1
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br i1 %arg2, label %bb9, label %bb7
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bb7: ; preds = %bb4
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%tmp8 = tail call ptr @f()
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br label %bb9
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bb9: ; preds = %bb7, %bb4
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%tmp10 = load ptr, ptr %arg5, align 8
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%tmp13 = load ptr, ptr %arg, align 8, !invariant.group !0
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%tmp15 = load ptr, ptr %tmp13, align 8
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tail call void %tmp15(ptr %arg, i1 %arg2)
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%tmp17 = load ptr, ptr %tmp, align 8
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%tmp18 = icmp eq ptr %tmp17, null
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ret void
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}
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; Function Attrs: nounwind willreturn
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declare hidden void @quux(ptr, i1) unnamed_addr #0 align 2
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attributes #0 = { nounwind willreturn }
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!0 = !{}
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