[PATCH] D87224: [InstCombine] Add tests for statepoint simplification
Serguei Katkov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 15 21:03:04 PDT 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rG00f09dd4c13d: [InstCombine] Add tests for statepoint simplification (authored by skatkov).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D87224/new/
https://reviews.llvm.org/D87224
Files:
llvm/test/Transforms/InstCombine/statepoint-cleanup.ll
Index: llvm/test/Transforms/InstCombine/statepoint-cleanup.ll
===================================================================
--- /dev/null
+++ 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)
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