llvm-project/llvm/test/Transforms/IROutliner/illegal-memset.ll

46 lines
1.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost -no-ir-sim-intrinsics < %s | FileCheck %s
; This test checks that we do not outline memset intrinsics since it requires
; extra address space checks.
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1)
define i64 @function1(i64 %x, i64 %z, i64 %n) {
; CHECK-LABEL: @function1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[POOL:%.*]] = alloca [59 x i64], align 4
; CHECK-NEXT: [[TMP:%.*]] = bitcast [59 x i64]* [[POOL]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP]], i8 0, i64 236, i1 false)
; CHECK-NEXT: call void @outlined_ir_func_0(i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
; CHECK-NEXT: ret i64 0
;
entry:
%pool = alloca [59 x i64], align 4
%tmp = bitcast [59 x i64]* %pool to i8*
call void @llvm.memset.p0i8.i64(i8* nonnull %tmp, i8 0, i64 236, i32 4, i1 false)
%cmp3 = icmp eq i64 %n, 0
%a = add i64 %x, %z
%c = add i64 %x, %z
ret i64 0
}
define i64 @function2(i64 %x, i64 %z, i64 %n) {
; CHECK-LABEL: @function2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[POOL:%.*]] = alloca [59 x i64], align 4
; CHECK-NEXT: [[TMP:%.*]] = bitcast [59 x i64]* [[POOL]] to i8*
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP]], i8 0, i64 236, i1 false)
; CHECK-NEXT: call void @outlined_ir_func_0(i64 [[N:%.*]], i64 [[X:%.*]], i64 [[Z:%.*]])
; CHECK-NEXT: ret i64 0
;
entry:
%pool = alloca [59 x i64], align 4
%tmp = bitcast [59 x i64]* %pool to i8*
call void @llvm.memset.p0i8.i64(i8* nonnull %tmp, i8 0, i64 236, i32 4, i1 false)
%cmp3 = icmp eq i64 %n, 0
%a = add i64 %x, %z
%c = add i64 %x, %z
ret i64 0
}