[llvm] b7b1e8c - [X86] Add tests for rv_marker lowering.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 13 06:59:16 PST 2021
Author: Florian Hahn
Date: 2021-01-13T14:58:50Z
New Revision: b7b1e8c37a920fcf2755a99fbf78cc570cf76c60
URL: https://github.com/llvm/llvm-project/commit/b7b1e8c37a920fcf2755a99fbf78cc570cf76c60
DIFF: https://github.com/llvm/llvm-project/commit/b7b1e8c37a920fcf2755a99fbf78cc570cf76c60.diff
LOG: [X86] Add tests for rv_marker lowering.
Precommit tests for D94597.
Added:
llvm/test/CodeGen/X86/call-rv-marker.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/call-rv-marker.ll b/llvm/test/CodeGen/X86/call-rv-marker.ll
new file mode 100644
index 000000000000..54775fde55b4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/call-rv-marker.ll
@@ -0,0 +1,175 @@
+; RUN: llc -mtriple=x86_64-apple-macosx -o - %s | FileCheck --check-prefix=CHECK %s
+
+; TODO: support marker generation with GlobalISel
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+
+declare i8* @foo0(i32)
+declare i8* @foo1()
+
+declare void @llvm.objc.release(i8*)
+declare void @objc_object(i8*)
+
+declare void @foo2(i8*)
+
+declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
+
+declare %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1))
+
+declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
+
+
+%struct.S = type { i8 }
+
+ at g = global i8* null, align 8
+ at fptr = global i8* ()* null, align 8
+
+define i8* @rv_marker_1() {
+; CHECK-LABEL: rv_marker_1:
+; CHECK: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: callq _foo1
+; CHECK-NEXT: popq %rcx
+; CHECK-NEXT: retq
+;
+entry:
+ %call = call "rv_marker" i8* @foo1()
+ ret i8* %call
+}
+
+define void @rv_marker_2_select(i32 %c) {
+; CHECK-LABEL: rv_marker_2_select:
+; CHECK: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: cmpl $1, %edi
+; CHECK-NEXT: movl $1, %edi
+; CHECK-NEXT: adcl $0, %edi
+; CHECK-NEXT: callq _foo0
+; CHECK-NEXT: movq %rax, %rdi
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: jmp _foo2
+;
+entry:
+ %tobool.not = icmp eq i32 %c, 0
+ %.sink = select i1 %tobool.not, i32 2, i32 1
+ %call1 = call "rv_marker" i8* @foo0(i32 %.sink)
+ tail call void @foo2(i8* %call1)
+ ret void
+}
+
+define void @rv_marker_3() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+; CHECK-LABEL: rv_marker_3
+; CHECK: pushq %r14
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: pushq %rbx
+; CHECK-NEXT: .cfi_def_cfa_offset 24
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 32
+; CHECK-NEXT: .cfi_offset %rbx, -24
+; CHECK-NEXT: .cfi_offset %r14, -16
+; CHECK-NEXT: callq _foo1
+; CHECK-NEXT: movq %rax, %rbx
+; CHECK-NEXT: Ltmp0:
+;
+entry:
+ %call = call "rv_marker" i8* @foo1()
+ invoke void @objc_object(i8* %call) #5
+ to label %invoke.cont unwind label %lpad
+
+invoke.cont: ; preds = %entry
+ tail call void @llvm.objc.release(i8* %call)
+ ret void
+
+lpad: ; preds = %entry
+ %0 = landingpad { i8*, i32 }
+ cleanup
+ tail call void @llvm.objc.release(i8* %call)
+ resume { i8*, i32 } %0
+}
+
+define void @rv_marker_4() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+; CHECK-LABEL: rv_marker_4
+; CHECK: pushq %r14
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: pushq %rbx
+; CHECK-NEXT: .cfi_def_cfa_offset 24
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 32
+; CHECK-NEXT: .cfi_offset %rbx, -24
+; CHECK-NEXT: .cfi_offset %r14, -16
+; CHECK-NEXT: Ltmp3:
+; CHECK-NEXT: callq _foo1
+; CHECK-NEXT: Ltmp4:
+;
+entry:
+ %s = alloca %struct.S, align 1
+ %0 = getelementptr inbounds %struct.S, %struct.S* %s, i64 0, i32 0
+ call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0) #2
+ %call = invoke "rv_marker" i8* @foo1()
+ to label %invoke.cont unwind label %lpad
+
+invoke.cont: ; preds = %entry
+ invoke void @objc_object(i8* %call) #5
+ to label %invoke.cont2 unwind label %lpad1
+
+invoke.cont2: ; preds = %invoke.cont
+ tail call void @llvm.objc.release(i8* %call)
+ %call3 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
+ call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
+ ret void
+
+lpad: ; preds = %entry
+ %1 = landingpad { i8*, i32 }
+ cleanup
+ br label %ehcleanup
+
+lpad1: ; preds = %invoke.cont
+ %2 = landingpad { i8*, i32 }
+ cleanup
+ tail call void @llvm.objc.release(i8* %call)
+ br label %ehcleanup
+
+ehcleanup: ; preds = %lpad1, %lpad
+ %.pn = phi { i8*, i32 } [ %2, %lpad1 ], [ %1, %lpad ]
+ %call4 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
+ call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
+ resume { i8*, i32 } %.pn
+}
+
+define i8* @rv_marker_5_indirect_call() {
+; CHECK-LABEL: rv_marker_5_indirect_call
+; CHECK: pushq %rbx
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset %rbx, -16
+; CHECK-NEXT: callq *_fptr(%rip)
+; CHECK-NEXT: movq %rax, %rbx
+; CHECK-NEXT: movq %rax, %rdi
+; CHECK-NEXT: callq _foo2
+; CHECK-NEXT: movq %rbx, %rax
+; CHECK-NEXT: popq %rbx
+; CHECK-NEXT: retq
+;
+entry:
+ %0 = load i8* ()*, i8* ()** @fptr, align 8
+ %call = call "rv_marker" i8* %0()
+ tail call void @foo2(i8* %call)
+ ret i8* %call
+}
+
+declare void @foo(i64, i64, i64)
+
+define void @rv_marker_multiarg(i64 %a, i64 %b, i64 %c) {
+; CHECK-LABEL: rv_marker_multiarg
+; CHECK: pushq %rax
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: movq %rdx, %rdi
+; CHECK-NEXT: movq %rax, %rdx
+; CHECK-NEXT: callq _foo
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: retq
+;
+ call "rv_marker" void @foo(i64 %c, i64 %b, i64 %a)
+ ret void
+}
+
+declare i32 @__gxx_personality_v0(...)
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