diff --git a/llvm/test/Transforms/InstCombine/statepoint-cleanup.ll b/llvm/test/Transforms/InstCombine/statepoint-cleanup.ll new file mode 100644 index 0000000000000..003f25b4ff7a9 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/statepoint-cleanup.ll @@ -0,0 +1,90 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -instcombine -instcombine-max-iterations=1 -S | FileCheck %s +; These tests check the optimizations specific to +; pointers being relocated at a statepoint. + + +declare void @func() + +define void @test(i32 addrspace(1)* %b) gc "statepoint-example" { +; CHECK-LABEL: @test( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[D:%.*]] = getelementptr i32, i32 addrspace(1)* [[B:%.*]], i64 16 +; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[B]], i32 addrspace(1)* [[D]]) ] +; CHECK-NEXT: [[B_NEW_1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0) +; CHECK-NEXT: [[B_NEW_2:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0) +; CHECK-NEXT: [[D_NEW_1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 1) +; CHECK-NEXT: [[D_NEW_2:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 1) +; CHECK-NEXT: [[D_NEW_3:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 1) +; CHECK-NEXT: [[D_NEW_4:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 1) +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[B_NEW_1]], align 4 +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[B_NEW_2]], align 4 +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[D_NEW_1]], align 4 +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[D_NEW_2]], align 4 +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[D_NEW_3]], align 4 +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[D_NEW_4]], align 4 +; CHECK-NEXT: ret void +; +entry: + %d = getelementptr i32, i32 addrspace(1)* %b, i64 16 + %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %b, i32 addrspace(1)* %b, i32 addrspace(1)* %d, i32 addrspace(1)* %d)] + %b.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) + %b.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) + %d.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 2) + %d.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 3) + %d.new.3 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 2) + %d.new.4 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 3) + store i32 1, i32 addrspace(1)* %b.new.1 + store i32 1, i32 addrspace(1)* %b.new.2 + store i32 1, i32 addrspace(1)* %d.new.1 + store i32 1, i32 addrspace(1)* %d.new.2 + store i32 1, i32 addrspace(1)* %d.new.3 + store i32 1, i32 addrspace(1)* %d.new.4 + ret void +} + +define void @test_no_derived_use(i32 addrspace(1)* %b) gc "statepoint-example" { +; CHECK-LABEL: @test_no_derived_use( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[B:%.*]]) ] +; CHECK-NEXT: [[B_NEW_1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0) +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[B_NEW_1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %d = getelementptr i32, i32 addrspace(1)* %b, i64 16 + %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %b, i32 addrspace(1)* %b, i32 addrspace(1)* %d, i32 addrspace(1)* %d)] + %b.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) + %b.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) + %d.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 2) + %d.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 3) + %d.new.3 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 2) + %d.new.4 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 3) + store i32 1, i32 addrspace(1)* %b.new.1 + ret void +} + +define void @test_no_base_use(i32 addrspace(1)* %b) gc "statepoint-example" { +; CHECK-LABEL: @test_no_base_use( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[D:%.*]] = getelementptr i32, i32 addrspace(1)* [[B:%.*]], i64 16 +; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* nonnull @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[B]], i32 addrspace(1)* [[D]]) ] +; CHECK-NEXT: [[D_NEW_1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 1) +; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[D_NEW_1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %d = getelementptr i32, i32 addrspace(1)* %b, i64 16 + %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %b, i32 addrspace(1)* %b, i32 addrspace(1)* %d, i32 addrspace(1)* %d)] + %b.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) + %b.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) + %d.new.1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 2) + %d.new.2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 3) + %d.new.3 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 2) + %d.new.4 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 3) + store i32 1, i32 addrspace(1)* %d.new.1 + ret void +} + +declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) +declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32)