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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=gvn-hoist -S < %s | FileCheck %s3 4target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"5target triple = "i686-pc-windows-msvc18.0.0"6 7%struct.S = type { ptr, ptr }8 9declare void @f(ptr inalloca(<{ %struct.S }>))10 11 12; Check that we don't clone the %x alloca and insert it in the live range of13; %argmem, which would break the inalloca contract.14define void @test(i1 %b) {15; CHECK-LABEL: @test(16; CHECK-NEXT: entry:17; CHECK-NEXT: [[X:%.*]] = alloca i8, align 118; CHECK-NEXT: [[INALLOCA_SAVE:%.*]] = call ptr @llvm.stacksave.p0()19; CHECK-NEXT: [[ARGMEM:%.*]] = alloca inalloca <{ [[STRUCT_S:%.*]] }>, align 420; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[ARGMEM]], i32 0, i32 121; CHECK-NEXT: store ptr [[X]], ptr [[TMP0]], align 422; CHECK-NEXT: br i1 [[B:%.*]], label [[TRUE:%.*]], label [[FALSE:%.*]]23; CHECK: true:24; CHECK-NEXT: [[P:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[ARGMEM]], i32 0, i32 125; CHECK-NEXT: br label [[EXIT:%.*]]26; CHECK: false:27; CHECK-NEXT: [[P2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[ARGMEM]], i32 0, i32 128; CHECK-NEXT: br label [[EXIT]]29; CHECK: exit:30; CHECK-NEXT: call void @f(ptr inalloca(<{ [[STRUCT_S]] }>) [[ARGMEM]])31; CHECK-NEXT: call void @llvm.stackrestore.p0(ptr [[INALLOCA_SAVE]])32; CHECK-NEXT: ret void33;34entry:35 %x = alloca i836 %inalloca.save = call ptr @llvm.stacksave()37 %argmem = alloca inalloca <{ %struct.S }>, align 438 br i1 %b, label %true, label %false39 40true:41 %p = getelementptr inbounds %struct.S, ptr %argmem, i32 0, i32 142 store ptr %x, ptr %p, align 443 br label %exit44 45false:46 %p2 = getelementptr inbounds %struct.S, ptr %argmem, i32 0, i32 147 store ptr %x, ptr %p2, align 448 br label %exit49 50exit:51 call void @f(ptr inalloca(<{ %struct.S }>) %argmem)52 call void @llvm.stackrestore(ptr %inalloca.save)53 ret void54}55 56declare ptr @llvm.stacksave()57declare void @llvm.stackrestore(ptr)58