[llvm-branch-commits] [llvm] b7b1e8c - [X86] Add tests for rv_marker lowering.

Florian Hahn via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Wed Jan 13 07:03:55 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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