; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 ; Test 128-bit subtraction on z13 and higher ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s define zeroext i1 @f1(i128 %a, i128 %b, ptr %res) { ; CHECK-LABEL: f1: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vl %v1, 0(%r2), 3 ; CHECK-NEXT: vscbiq %v2, %v1, %v0 ; CHECK-NEXT: vlgvg %r2, %v2, 1 ; CHECK-NEXT: vsq %v0, %v1, %v0 ; CHECK-NEXT: xilf %r2, 1 ; CHECK-NEXT: vst %v0, 0(%r4), 3 ; CHECK-NEXT: br %r14 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) %val = extractvalue {i128, i1} %t, 0 %obit = extractvalue {i128, i1} %t, 1 store i128 %val, ptr %res ret i1 %obit } define zeroext i1 @f2(i128 %a, i128 %b) { ; CHECK-LABEL: f2: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vl %v1, 0(%r2), 3 ; CHECK-NEXT: vscbiq %v0, %v1, %v0 ; CHECK-NEXT: vlgvg %r2, %v0, 1 ; CHECK-NEXT: xilf %r2, 1 ; CHECK-NEXT: br %r14 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) %obit = extractvalue {i128, i1} %t, 1 ret i1 %obit } define i128 @f3(i128 %a, i128 %b) { ; CHECK-LABEL: f3: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vsq %v0, %v1, %v0 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 %t = call {i128, i1} @llvm.usub.with.overflow.i128(i128 %a, i128 %b) %val = extractvalue {i128, i1} %t, 0 ret i128 %val } define i128 @f4(i128 %a, i128 %b) { ; CHECK-LABEL: f4: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vscbiq %v2, %v1, %v0 ; CHECK-NEXT: vlgvf %r0, %v2, 3 ; CHECK-NEXT: vgbm %v2, 0 ; CHECK-NEXT: xilf %r0, 1 ; CHECK-NEXT: jl .LBB3_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: vsq %v2, %v1, %v0 ; CHECK-NEXT: .LBB3_2: ; CHECK-NEXT: vst %v2, 0(%r2), 3 ; CHECK-NEXT: br %r14 %val = call i128 @llvm.usub.sat.i128(i128 %a, i128 %b) ret i128 %val } declare {i128, i1} @llvm.usub.with.overflow.i128(i128, i128) nounwind readnone declare i128 @llvm.usub.sat.i128(i128, i128) nounwind readnone