1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 2; Test 128-bit subtraction on z13 and higher 3; 4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 5 6define zeroext i1 @f1(i128 %a, i128 %b, ptr %res) { 7; CHECK-LABEL: f1: 8; CHECK: # %bb.0: 9; CHECK-NEXT: vl %v0, 0(%r3), 3 10; CHECK-NEXT: vl %v1, 0(%r2), 3 11; CHECK-NEXT: vscbiq %v2, %v1, %v0 12; CHECK-NEXT: vlgvg %r2, %v2, 1 13; CHECK-NEXT: vsq %v0, %v1, %v0 14; CHECK-NEXT: xilf %r2, 1 15; CHECK-NEXT: vst %v0, 0(%r4), 3 16; CHECK-NEXT: br %r14 17 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) 18 %val = extractvalue {i128, i1} %t, 0 19 %obit = extractvalue {i128, i1} %t, 1 20 store i128 %val, ptr %res 21 ret i1 %obit 22} 23 24define zeroext i1 @f2(i128 %a, i128 %b) { 25; CHECK-LABEL: f2: 26; CHECK: # %bb.0: 27; CHECK-NEXT: vl %v0, 0(%r3), 3 28; CHECK-NEXT: vl %v1, 0(%r2), 3 29; CHECK-NEXT: vscbiq %v0, %v1, %v0 30; CHECK-NEXT: vlgvg %r2, %v0, 1 31; CHECK-NEXT: xilf %r2, 1 32; CHECK-NEXT: br %r14 33 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) 34 %obit = extractvalue {i128, i1} %t, 1 35 ret i1 %obit 36} 37 38define i128 @f3(i128 %a, i128 %b) { 39; CHECK-LABEL: f3: 40; CHECK: # %bb.0: 41; CHECK-NEXT: vl %v0, 0(%r4), 3 42; CHECK-NEXT: vl %v1, 0(%r3), 3 43; CHECK-NEXT: vsq %v0, %v1, %v0 44; CHECK-NEXT: vst %v0, 0(%r2), 3 45; CHECK-NEXT: br %r14 46 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) 47 %val = extractvalue {i128, i1} %t, 0 48 ret i128 %val 49} 50 51define i128 @f4(i128 %a, i128 %b) { 52; CHECK-LABEL: f4: 53; CHECK: # %bb.0: 54; CHECK-NEXT: vl %v0, 0(%r4), 3 55; CHECK-NEXT: vl %v1, 0(%r3), 3 56; CHECK-NEXT: vscbiq %v2, %v1, %v0 57; CHECK-NEXT: vlgvf %r0, %v2, 3 58; CHECK-NEXT: vgbm %v2, 0 59; CHECK-NEXT: xilf %r0, 1 60; CHECK-NEXT: jl .LBB3_2 61; CHECK-NEXT: # %bb.1: 62; CHECK-NEXT: vsq %v2, %v1, %v0 63; CHECK-NEXT: .LBB3_2: 64; CHECK-NEXT: vst %v2, 0(%r2), 3 65; CHECK-NEXT: br %r14 66 %val = call i128 @llvm.usub.sat.i128(i128 %a, i128 %b) 67 ret i128 %val 68} 69 70declare {i128, i1} @llvm.usub.with.overflow.i128(i128, i128) nounwind readnone 71declare i128 @llvm.usub.sat.i128(i128, i128) nounwind readnone 72 73