[llvm] 82400ae - [tests] add tests to show effects of D98122

Philip Reames via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 9 13:54:23 PST 2021


Author: Philip Reames
Date: 2021-03-09T13:54:15-08:00
New Revision: 82400ae0169d561dcea8f6d8fcacec04af553bad

URL: https://github.com/llvm/llvm-project/commit/82400ae0169d561dcea8f6d8fcacec04af553bad
DIFF: https://github.com/llvm/llvm-project/commit/82400ae0169d561dcea8f6d8fcacec04af553bad.diff

LOG: [tests] add tests to show effects of D98122

Added: 
    llvm/test/Transforms/RewriteStatepointsForGC/base-inference.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-inference.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-inference.ll
new file mode 100644
index 000000000000..70595d877d4b
--- /dev/null
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-inference.ll
@@ -0,0 +1,245 @@
+; 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 ()* @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_BASE:%.*]] = select i1 [[C:%.*]], i8 addrspace(1)* [[A1:%.*]], i8 addrspace(1)* [[A2:%.*]], !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[SEL]], i8 addrspace(1)* [[SEL_BASE]]) ]
+; CHECK-NEXT:    [[SEL_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[SEL_BASE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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_BASE:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[TAKEN]] ], [ [[A2:%.*]], [[UNTAKEN]] ], !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]], i8 addrspace(1)* [[PHI_BASE]]) ]
+; CHECK-NEXT:    [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[PHI_BASE_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 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 ()* @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_BASE:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[A2:%.*]], [[LOOP]] ], !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]], i8 addrspace(1)* [[PHI_BASE]]) ]
+; CHECK-NEXT:    [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[PHI_BASE_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], [%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_BASE:%.*]] = phi i8 addrspace(1)* [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[O2:%.*]], [[LOOP]] ], !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[PHI]], i8 addrspace(1)* [[PHI_BASE]]) ]
+; CHECK-NEXT:    [[PHI_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[PHI_BASE_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], [%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 ()* @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 ()* @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_BASE:%.*]] = insertelement <2 x i8 addrspace(1)*> zeroinitializer, i8 addrspace(1)* [[A:%.*]], i64 0, !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[VEC]], <2 x i8 addrspace(1)*> [[VEC_BASE]]) ]
+; CHECK-NEXT:    [[VEC_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[VEC_BASE_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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:    [[BASE_EE:%.*]] = extractelement <2 x i8 addrspace(1)*> [[A:%.*]], i64 0, !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* [[EE]], i8 addrspace(1)* [[BASE_EE]]) ]
+; CHECK-NEXT:    [[EE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[BASE_EE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[RES]], <2 x i8 addrspace(1)*> [[A1]]) ]
+; CHECK-NEXT:    [[RES_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[A1_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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_BASE:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[A1:%.*]], <2 x i8 addrspace(1)*> [[A2:%.*]], <2 x i32> zeroinitializer, !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x i8 addrspace(1)*> [[RES]], <2 x i8 addrspace(1)*> [[RES_BASE]]) ]
+; CHECK-NEXT:    [[RES_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[RES_BASE_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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_BASE:%.*]] = shufflevector <2 x i8 addrspace(1)*> [[A1:%.*]], <2 x i8 addrspace(1)*> [[A2:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>, !is_base_value !0
+; 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 ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<4 x i8 addrspace(1)*> [[RES]], <4 x i8 addrspace(1)*> [[RES_BASE]]) ]
+; CHECK-NEXT:    [[RES_RELOCATED:%.*]] = call coldcc <4 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v4p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
+; CHECK-NEXT:    [[RES_BASE_RELOCATED:%.*]] = call coldcc <4 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v4p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
+; 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
+}
+
+
+
+
+
+declare void @foo()


        


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