-
Notifications
You must be signed in to change notification settings - Fork 11.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Inline][Cloning] Introduce test for PR87963 (NFC)
- Loading branch information
1 parent
b4f923e
commit c1d0051
Showing
1 changed file
with
76 additions
and
0 deletions.
There are no files selected for viewing
76 changes: 76 additions & 0 deletions
76
llvm/test/Transforms/Inline/inline-deferred-instsimplify.ll
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,76 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 | ||
; RUN: opt < %s -passes=inline -S | FileCheck %s | ||
; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s | ||
|
||
%struct.a = type { i32, i32, i32, i32, i32 } | ||
|
||
@g_var = global %struct.a { i32 1, i32 0, i32 0, i32 0, i32 0 }, align 8 | ||
@other_g_var = global %struct.a zeroinitializer, align 4 | ||
|
||
define void @callee(ptr noundef byval(%struct.a) align 8 %ptr) { | ||
; CHECK-LABEL: define void @callee( | ||
; CHECK-SAME: ptr noundef byval([[STRUCT_A:%.*]]) align 8 [[PTR:%.*]]) { | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[PTR]], align 8 | ||
; CHECK-NEXT: [[DOTNOT:%.*]] = icmp eq i32 [[VAL]], 0 | ||
; CHECK-NEXT: br i1 [[DOTNOT]], label [[CHECK_POINTERS_ARE_EQUAL:%.*]], label [[STORE_PTR_IN_GVAR:%.*]] | ||
; CHECK: store_ptr_in_gvar: | ||
; CHECK-NEXT: store ptr [[PTR]], ptr @other_g_var, align 8 | ||
; CHECK-NEXT: br label [[CHECK_POINTERS_ARE_EQUAL]] | ||
; CHECK: check_pointers_are_equal: | ||
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[PTR]], [[STORE_PTR_IN_GVAR]] ], [ @other_g_var, [[ENTRY:%.*]] ] | ||
; CHECK-NEXT: [[DOTNOT1:%.*]] = icmp eq ptr [[PHI]], [[PTR]] | ||
; CHECK-NEXT: br i1 [[DOTNOT1]], label [[RETURN:%.*]], label [[ABORT:%.*]] | ||
; CHECK: abort: | ||
; CHECK-NEXT: call void @abort() | ||
; CHECK-NEXT: unreachable | ||
; CHECK: return: | ||
; CHECK-NEXT: ret void | ||
; | ||
entry: | ||
%val = load i32, ptr %ptr, align 8 | ||
%.not = icmp eq i32 %val, 0 | ||
br i1 %.not, label %check_pointers_are_equal, label %store_ptr_in_gvar | ||
|
||
store_ptr_in_gvar: ; preds = %entry | ||
store ptr %ptr, ptr @other_g_var, align 8 | ||
br label %check_pointers_are_equal | ||
|
||
check_pointers_are_equal: ; preds = %store_ptr_in_gvar, %entry | ||
%phi = phi ptr [ %ptr, %store_ptr_in_gvar ], [ @other_g_var, %entry ] | ||
; FIXME: While inlining, the following is miscompiled to i1 false, | ||
; as %ptr in the phi-node is not taken into account. | ||
%.not1 = icmp eq ptr %phi, %ptr | ||
br i1 %.not1, label %return, label %abort | ||
|
||
abort: ; preds = %check_pointers_are_equal | ||
call void @abort() | ||
unreachable | ||
|
||
return: ; preds = %check_pointers_are_equal | ||
ret void | ||
} | ||
|
||
define i32 @main() { | ||
; CHECK-LABEL: define i32 @main() { | ||
; CHECK-NEXT: [[G_VAR:%.*]] = alloca [[STRUCT_A:%.*]], align 8 | ||
; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 20, ptr [[G_VAR]]) | ||
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[G_VAR]], ptr align 1 @g_var, i64 20, i1 false) | ||
; CHECK-NEXT: [[VAL_I:%.*]] = load i32, ptr [[G_VAR]], align 8 | ||
; CHECK-NEXT: [[DOTNOT_I:%.*]] = icmp eq i32 [[VAL_I]], 0 | ||
; CHECK-NEXT: br i1 [[DOTNOT_I]], label [[CHECK_POINTERS_ARE_EQUAL_I:%.*]], label [[STORE_PTR_IN_GVAR_I:%.*]] | ||
; CHECK: store_ptr_in_gvar.i: | ||
; CHECK-NEXT: store ptr [[G_VAR]], ptr @other_g_var, align 8 | ||
; CHECK-NEXT: br label [[CHECK_POINTERS_ARE_EQUAL_I]] | ||
; CHECK: check_pointers_are_equal.i: | ||
; CHECK-NEXT: [[PHI_I:%.*]] = phi ptr [ [[G_VAR]], [[STORE_PTR_IN_GVAR_I]] ], [ @other_g_var, [[TMP0:%.*]] ] | ||
; CHECK-NEXT: call void @abort() | ||
; CHECK-NEXT: unreachable | ||
; CHECK: callee.exit: | ||
; CHECK-NEXT: ret i32 0 | ||
; | ||
call void @callee(ptr noundef byval(%struct.a) align 8 @g_var) | ||
ret i32 0 | ||
} | ||
|
||
declare void @abort() |