1; The test is generated by Clang from the following source: 2; 3; void foo32(int a, int b, int *c) { 4; *c = a + b; 5; } 6; 7; void foo64(long a, long b, long *c) { 8; *c = a + b; 9; } 10; 11; With the following options: 12; -emit-llvm -fno-discard-value-names -O2 -g0 -ftrapv -target spir 13 14; RUN: llvm-as < %s -o %t.bc 15; RUN: llvm-spirv -s %t.bc -o - | llvm-dis -o - | FileCheck %s 16 17; CHECK: call { i32, i1 } @llvm_sadd_with_overflow_i32 18; CHECK-NOT: call { i32, i1 } @llvm.sadd.with.overflow.i32 19 20; CHECK: call { i64, i1 } @llvm_sadd_with_overflow_i64 21; CHECK-NOT: call { i64, i1 } @llvm.sadd.with.overflow.i64 22 23; CHECK-NOT: call { i16, i1 } @llvm_sadd_with_overflow_i16 24 25 26target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024" 27target triple = "spir" 28 29; Function Attrs: nounwind 30define dso_local spir_func void @foo32(i32 %a, i32 %b, i32* nocapture %c) local_unnamed_addr #0 { 31entry: 32 %0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 %b), !nosanitize !2 33 %1 = extractvalue { i32, i1 } %0, 1, !nosanitize !2 34 br i1 %1, label %trap, label %cont, !nosanitize !2 35 36trap: ; preds = %entry 37 tail call void @llvm.trap() #3, !nosanitize !2 38 unreachable, !nosanitize !2 39 40cont: ; preds = %entry 41 %2 = extractvalue { i32, i1 } %0, 0, !nosanitize !2 42 store i32 %2, i32* %c, align 4, !tbaa !3 43 ret void 44} 45 46; Function Attrs: nounwind readnone speculatable willreturn 47declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) #1 48 49; Function Attrs: cold noreturn nounwind 50declare void @llvm.trap() #2 51 52; Function Attrs: nounwind 53define dso_local spir_func void @foo64(i64 %a, i64 %b, i64* nocapture %c) local_unnamed_addr #0 { 54entry: 55 %0 = tail call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b), !nosanitize !2 56 %1 = extractvalue { i64, i1 } %0, 1, !nosanitize !2 57 br i1 %1, label %trap, label %cont, !nosanitize !2 58 59trap: ; preds = %entry 60 tail call void @llvm.trap() #3, !nosanitize !2 61 unreachable, !nosanitize !2 62 63cont: ; preds = %entry 64 %2 = extractvalue { i64, i1 } %0, 0, !nosanitize !2 65 store i64 %2, i64* %c, align 8, !tbaa !7 66 ret void 67} 68 69; Function Attrs: nounwind readnone speculatable willreturn 70declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64, i64) #1 71 72attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 73attributes #1 = { nounwind readnone speculatable willreturn } 74attributes #2 = { cold noreturn nounwind } 75attributes #3 = { noreturn nounwind } 76 77!llvm.module.flags = !{!0} 78!llvm.ident = !{!1} 79 80!0 = !{i32 1, !"wchar_size", i32 4} 81!1 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 576fa5a50c8509977835031d190f8906e1dbb075)"} 82!2 = !{} 83!3 = !{!4, !4, i64 0} 84!4 = !{!"int", !5, i64 0} 85!5 = !{!"omnipotent char", !6, i64 0} 86!6 = !{!"Simple C/C++ TBAA"} 87!7 = !{!8, !8, i64 0} 88!8 = !{!"long", !5, i64 0} 89