1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 2; Test 256-bit subtraction on z13 and higher 3; 4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 5 6define zeroext i1 @f1(i256 %a, i256 %b, ptr %res) { 7; CHECK-LABEL: f1: 8; CHECK: # %bb.0: 9; CHECK-NEXT: vl %v2, 16(%r3), 3 10; CHECK-NEXT: vl %v3, 16(%r2), 3 11; CHECK-NEXT: vl %v0, 0(%r3), 3 12; CHECK-NEXT: vl %v1, 0(%r2), 3 13; CHECK-NEXT: vscbiq %v4, %v3, %v2 14; CHECK-NEXT: vsbcbiq %v5, %v1, %v0, %v4 15; CHECK-NEXT: vlgvg %r2, %v5, 1 16; CHECK-NEXT: vsbiq %v0, %v1, %v0, %v4 17; CHECK-NEXT: vsq %v1, %v3, %v2 18; CHECK-NEXT: xilf %r2, 1 19; CHECK-NEXT: vst %v1, 16(%r4), 3 20; CHECK-NEXT: vst %v0, 0(%r4), 3 21; CHECK-NEXT: br %r14 22 %t = call {i256, i1} @llvm.usub.with.overflow.i256(i256 %a, i256 %b) 23 %val = extractvalue {i256, i1} %t, 0 24 %obit = extractvalue {i256, i1} %t, 1 25 store i256 %val, ptr %res 26 ret i1 %obit 27} 28 29define zeroext i1 @f2(i256 %a, i256 %b) { 30; CHECK-LABEL: f2: 31; CHECK: # %bb.0: 32; CHECK-NEXT: vl %v2, 16(%r3), 3 33; CHECK-NEXT: vl %v3, 16(%r2), 3 34; CHECK-NEXT: vl %v0, 0(%r3), 3 35; CHECK-NEXT: vl %v1, 0(%r2), 3 36; CHECK-NEXT: vscbiq %v2, %v3, %v2 37; CHECK-NEXT: vsbcbiq %v0, %v1, %v0, %v2 38; CHECK-NEXT: vlgvg %r2, %v0, 1 39; CHECK-NEXT: xilf %r2, 1 40; CHECK-NEXT: br %r14 41 %t = call {i256, i1} @llvm.usub.with.overflow.i256(i256 %a, i256 %b) 42 %obit = extractvalue {i256, i1} %t, 1 43 ret i1 %obit 44} 45 46define i256 @f3(i256 %a, i256 %b) { 47; CHECK-LABEL: f3: 48; CHECK: # %bb.0: 49; CHECK-NEXT: vl %v2, 16(%r4), 3 50; CHECK-NEXT: vl %v3, 16(%r3), 3 51; CHECK-NEXT: vl %v0, 0(%r4), 3 52; CHECK-NEXT: vl %v1, 0(%r3), 3 53; CHECK-NEXT: vscbiq %v4, %v3, %v2 54; CHECK-NEXT: vsbiq %v0, %v1, %v0, %v4 55; CHECK-NEXT: vsq %v1, %v3, %v2 56; CHECK-NEXT: vst %v1, 16(%r2), 3 57; CHECK-NEXT: vst %v0, 0(%r2), 3 58; CHECK-NEXT: br %r14 59 %t = call {i256, i1} @llvm.usub.with.overflow.i256(i256 %a, i256 %b) 60 %val = extractvalue {i256, i1} %t, 0 61 ret i256 %val 62} 63 64declare {i256, i1} @llvm.usub.with.overflow.i256(i256, i256) nounwind readnone 65 66