1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i386-- | FileCheck %s 3 4; FIXME: umul-with-overflow not supported yet. 5 6@ok = internal constant [4 x i8] c"%d\0A\00" 7@no = internal constant [4 x i8] c"no\0A\00" 8 9define i1 @func(i32 %v1, i32 %v2) nounwind { 10; CHECK-LABEL: func: 11; CHECK: # %bb.0: # %entry 12; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 13; CHECK-NEXT: mull {{[0-9]+}}(%esp) 14; CHECK-NEXT: jno .LBB0_1 15; CHECK-NEXT: # %bb.2: # %carry 16; CHECK-NEXT: pushl $no 17; CHECK-NEXT: calll printf@PLT 18; CHECK-NEXT: addl $4, %esp 19; CHECK-NEXT: xorl %eax, %eax 20; CHECK-NEXT: retl 21; CHECK-NEXT: .LBB0_1: # %normal 22; CHECK-NEXT: pushl %eax 23; CHECK-NEXT: pushl $ok 24; CHECK-NEXT: calll printf@PLT 25; CHECK-NEXT: addl $8, %esp 26; CHECK-NEXT: movb $1, %al 27; CHECK-NEXT: retl 28entry: 29 %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) 30 %sum = extractvalue {i32, i1} %t, 0 31 %obit = extractvalue {i32, i1} %t, 1 32 br i1 %obit, label %carry, label %normal 33 34normal: 35 %t1 = tail call i32 (ptr, ...) @printf( ptr @ok, i32 %sum ) nounwind 36 ret i1 true 37 38carry: 39 %t2 = tail call i32 (ptr, ...) @printf( ptr @no ) nounwind 40 ret i1 false 41} 42 43declare i32 @printf(ptr, ...) nounwind 44declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) 45