; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s ; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s ; A collection of tests for exercising the base inference logic in the ; findBasePointers. That is, the logic which proves a potentially derived ; pointer is actually a base pointer itself. define i8 addrspace(1)* @test(i8 addrspace(1)* %a) gc "statepoint-example" { ; CHECK-LABEL: @test( ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[A:%.*]]) ] ; CHECK-NEXT: [[A_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[A_RELOCATED]] ; call void @foo() ret i8 addrspace(1)* %a } define i8 addrspace(1)* @test_select(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_select( ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], i8 addrspace(1)* [[A1:%.*]], i8 addrspace(1)* [[A2:%.*]] ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[SEL]]) ] ; CHECK-NEXT: [[SEL_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[SEL_RELOCATED]] ; %sel = select i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2 call void @foo() ret i8 addrspace(1)* %sel } define i8 addrspace(1)* @test_phi1(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_phi1( ; CHECK-NEXT: entry: ; CHECK-NEXT: br i1 [[C:%.*]], label [[TAKEN:%.*]], label [[UNTAKEN:%.*]] ; CHECK: taken: ; CHECK-NEXT: br label [[MERGE:%.*]] ; CHECK: untaken: ; CHECK-NEXT: br label [[MERGE]] ; CHECK: merge: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[TAKEN]] ], [ [[A2:%.*]], [[UNTAKEN]] ] ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]]) ] ; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[PHI_RELOCATED]] ; entry: br i1 %c, label %taken, label %untaken taken: br label %merge untaken: br label %merge merge: %phi = phi i8 addrspace(1)* [%a1, %taken], [%a2, %untaken] call void @foo() ret i8 addrspace(1)* %phi } define i8 addrspace(1)* @test_phi_lcssa(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_phi_lcssa( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[MERGE:%.*]] ; CHECK: merge: ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[A1:%.*]]) ] ; CHECK-NEXT: [[A1_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[A1_RELOCATED]] ; entry: br label %merge merge: %phi = phi i8 addrspace(1)* [%a1, %entry] call void @foo() ret i8 addrspace(1)* %phi } define i8 addrspace(1)* @test_loop1(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_loop1( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[A2:%.*]], [[LOOP]] ] ; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]]) ] ; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[PHI_RELOCATED]] ; entry: br label %loop loop: %phi = phi i8 addrspace(1)* [%a1, %entry], [%a2, %loop] br i1 %c, label %exit, label %loop exit: %phi2 = phi i8 addrspace(1)* [%phi, %loop] call void @foo() ret i8 addrspace(1)* %phi2 } define i8 addrspace(1)* @test_loop2(i1 %c, i8 addrspace(1)* %a1) gc "statepoint-example" { ; CHECK-LABEL: @test_loop2( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[O2:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[ADDR:%.*]] = bitcast i8 addrspace(1)* [[PHI]] to i8 addrspace(1)* addrspace(1)* ; CHECK-NEXT: [[O2]] = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* [[ADDR]], align 8 ; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]]) ] ; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[PHI_RELOCATED]] ; entry: br label %loop loop: %phi = phi i8 addrspace(1)* [%a1, %entry], [%o2, %loop] %addr = bitcast i8 addrspace(1)* %phi to i8 addrspace(1)* addrspace(1)* %o2 = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* %addr br i1 %c, label %exit, label %loop exit: %phi2 = phi i8 addrspace(1)* [%phi, %loop] call void @foo() ret i8 addrspace(1)* %phi2 } ; %phi1 and phi2 are not base pointers, but they do have a single ; base pointer which is %a1 define i8 addrspace(1)* @test_loop3(i1 %c, i8 addrspace(1)* %a1) gc "statepoint-example" { ; CHECK-LABEL: @test_loop3( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[GEP:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[GEP]] = getelementptr i8, i8 addrspace(1)* [[PHI]], i64 16 ; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]], i8 addrspace(1)* [[A1]]) ] ; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0) ; CHECK-NEXT: [[A1_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1) ; CHECK-NEXT: ret i8 addrspace(1)* [[PHI_RELOCATED]] ; entry: br label %loop loop: %phi = phi i8 addrspace(1)* [%a1, %entry], [%gep, %loop] %gep = getelementptr i8, i8 addrspace(1)* %phi, i64 16 br i1 %c, label %exit, label %loop exit: %phi2 = phi i8 addrspace(1)* [%phi, %loop] call void @foo() ret i8 addrspace(1)* %phi2 } define <2 x i8 addrspace(1)*> @test_vec_passthrough(<2 x i8 addrspace(1)*> %a) gc "statepoint-example" { ; CHECK-LABEL: @test_vec_passthrough( ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[A:%.*]]) ] ; CHECK-NEXT: [[A_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <2 x i8 addrspace(1)*> [[A_RELOCATED]] ; call void @foo() ret <2 x i8 addrspace(1)*> %a } define <2 x i8 addrspace(1)*> @test_insert(i8 addrspace(1)* %a) gc "statepoint-example" { ; CHECK-LABEL: @test_insert( ; CHECK-NEXT: [[VEC:%.*]] = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* [[A:%.*]], i64 0 ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[VEC]]) ] ; CHECK-NEXT: [[VEC_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <2 x i8 addrspace(1)*> [[VEC_RELOCATED]] ; %vec = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* %a, i64 0 call void @foo() ret <2 x i8 addrspace(1)*> %vec } define i8 addrspace(1)* @test_extract(<2 x i8 addrspace(1)*> %a) gc "statepoint-example" { ; CHECK-LABEL: @test_extract( ; CHECK-NEXT: [[EE:%.*]] = extractelement <2 x i8 addrspace(1)*> [[A:%.*]], i64 0 ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[EE]]) ] ; CHECK-NEXT: [[EE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret i8 addrspace(1)* [[EE_RELOCATED]] ; %ee = extractelement <2 x i8 addrspace(1)*> %a, i64 0 call void @foo() ret i8 addrspace(1)* %ee } define <2 x i8 addrspace(1)*> @test_shuffle(<2 x i8 addrspace(1)*> %a1) gc "statepoint-example" { ; CHECK-LABEL: @test_shuffle( ; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[A1:%.*]], <2 x i8 addrspace(1)*> [[A1]], <2 x i32> zeroinitializer ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[RES]]) ] ; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <2 x i8 addrspace(1)*> [[RES_RELOCATED]] ; %res = shufflevector <2 x i8 addrspace(1)*> %a1, <2 x i8 addrspace(1)*> %a1, <2 x i32> zeroinitializer call void @foo() ret <2 x i8 addrspace(1)*> %res } define <2 x i8 addrspace(1)*> @test_shuffle2(<2 x i8 addrspace(1)*> %a1, <2 x i8 addrspace(1)*> %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_shuffle2( ; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[A1:%.*]], <2 x i8 addrspace(1)*> [[A2:%.*]], <2 x i32> zeroinitializer ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[RES]]) ] ; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <2 x i8 addrspace(1)*> [[RES_RELOCATED]] ; %res = shufflevector <2 x i8 addrspace(1)*> %a1, <2 x i8 addrspace(1)*> %a2, <2 x i32> zeroinitializer call void @foo() ret <2 x i8 addrspace(1)*> %res } define <4 x i8 addrspace(1)*> @test_shuffle_concat(<2 x i8 addrspace(1)*> %a1, <2 x i8 addrspace(1)*> %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_shuffle_concat( ; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[A1:%.*]], <2 x i8 addrspace(1)*> [[A2:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3> ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<4 x i8 addrspace(1)*> [[RES]]) ] ; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <4 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v4p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <4 x i8 addrspace(1)*> [[RES_RELOCATED]] ; %res = shufflevector <2 x i8 addrspace(1)*> %a1, <2 x i8 addrspace(1)*> %a2, <4 x i32> <i32 0, i32 1, i32 2, i32 3> call void @foo() ret <4 x i8 addrspace(1)*> %res } ; TODO: Special case worth handling - we interpret the shuffle as if we need ; to select the base pointers from either input when the mask is known. define <2 x i8 addrspace(1)*> @test_shuffle_broadcast(i8 addrspace(1)* %a) gc "statepoint-example" { ; CHECK-LABEL: @test_shuffle_broadcast( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[IE:%.*]] = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* [[A:%.*]], i64 0 ; CHECK-NEXT: [[BROADCAST:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[IE]], <2 x i8 addrspace(1)*> undef, <2 x i32> zeroinitializer ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[BROADCAST]]) ] ; CHECK-NEXT: [[BROADCAST_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: ret <2 x i8 addrspace(1)*> [[BROADCAST_RELOCATED]] ; entry: %ie = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* %a, i64 0 %broadcast = shufflevector <2 x i8 addrspace(1)*> %ie, <2 x i8 addrspace(1)*> undef, <2 x i32> zeroinitializer call void @foo() ret <2 x i8 addrspace(1)*> %broadcast } ; Show a case where only a portion of the sub-graph propagates base pointers. define i8 @test_subgraph(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_subgraph( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], i8 addrspace(1)* [[A1:%.*]], i8 addrspace(1)* [[A2:%.*]] ; CHECK-NEXT: br i1 [[C]], label [[TAKEN:%.*]], label [[MERGE:%.*]] ; CHECK: taken: ; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, i8 addrspace(1)* [[SEL]], i64 8 ; CHECK-NEXT: br label [[MERGE]] ; CHECK: merge: ; CHECK-NEXT: [[PHI:%.*]] = phi i8 addrspace(1)* [ [[GEP]], [[TAKEN]] ], [ [[SEL]], [[ENTRY:%.*]] ] ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]], i8 addrspace(1)* [[SEL]]) ] ; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0) ; CHECK-NEXT: [[SEL_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1) ; CHECK-NEXT: [[RES:%.*]] = load i8, i8 addrspace(1)* [[PHI_RELOCATED]], align 1 ; CHECK-NEXT: ret i8 [[RES]] ; entry: %sel = select i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2 br i1 %c, label %taken, label %merge taken: %gep = getelementptr i8, i8 addrspace(1)* %sel, i64 8 br label %merge merge: %phi = phi i8 addrspace(1)* [%gep, %taken], [%sel, %entry] call void @foo() %res = load i8, i8 addrspace(1)* %phi ret i8 %res } ; An example of a non-trivial subgraph computing base pointers. define i8 @test_subgraph2(i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2) gc "statepoint-example" { ; CHECK-LABEL: @test_subgraph2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], i8 addrspace(1)* [[A1:%.*]], i8 addrspace(1)* [[A2:%.*]] ; CHECK-NEXT: [[IE:%.*]] = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* [[SEL]], i64 0 ; CHECK-NEXT: [[BROADCAST:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[IE]], <2 x i8 addrspace(1)*> [[IE]], <2 x i32> zeroinitializer ; CHECK-NEXT: [[EE:%.*]] = extractelement <2 x i8 addrspace(1)*> [[BROADCAST]], i32 1 ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[EE]]) ] ; CHECK-NEXT: [[EE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0) ; CHECK-NEXT: [[RES:%.*]] = load i8, i8 addrspace(1)* [[EE_RELOCATED]], align 1 ; CHECK-NEXT: ret i8 [[RES]] ; entry: %sel = select i1 %c, i8 addrspace(1)* %a1, i8 addrspace(1)* %a2 %ie = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* %sel, i64 0 %broadcast = shufflevector <2 x i8 addrspace(1)*> %ie, <2 x i8 addrspace(1)*> %ie, <2 x i32> zeroinitializer %ee = extractelement <2 x i8 addrspace(1)*> %broadcast, i32 1 call void @foo() %res = load i8, i8 addrspace(1)* %ee ret i8 %res } declare void @foo()