llvm-project/llvm/test/CodeGen/SystemZ/pr32372.ll

32 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc %s -o - -mtriple=s390x-linux-gnu | FileCheck %s
define void @pr32372(i8*) {
; CHECK-LABEL: pr32372:
; CHECK: # %bb.0: # %BB
; CHECK-NEXT: mvhhi 0(%r1), -3825
; CHECK-NEXT: .LBB0_1: # %CF251
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: j .LBB0_1
BB:
%L = load i8, i8* %0
store i16 -3825, i16* undef
%L5 = load i8, i8* %0
%B8 = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %L5, i8 %L)
%B9 = extractvalue {i8, i1} %B8, 0
%I107 = insertelement <8 x i8> zeroinitializer, i8 %B9, i32 7
%ZE141 = zext i8 %L5 to i16
br label %CF251
CF251: ; preds = %CF258, %CF251, %BB
%Shuff217 = shufflevector <8 x i8> zeroinitializer, <8 x i8> %I107, <8 x i32> <i32 0, i32 2, i32 undef, i32 6, i32 8, i32 undef, i32 12, i32 14>
%Cmp227 = icmp sge i16 %ZE141, 0
br i1 %Cmp227, label %CF251, label %CF258
CF258: ; preds = %CF251
%Shuff230 = shufflevector <2 x i16> undef, <2 x i16> undef, <2 x i32> <i32 3, i32 1>
br label %CF251
}
declare {i8, i1} @llvm.umul.with.overflow.i8(i8, i8) nounwind readnone