1*eefd0858SFlorian Hahn; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2*eefd0858SFlorian Hahn; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s 3*eefd0858SFlorian Hahn 4*eefd0858SFlorian Hahntarget datalayout = "p:32:32:32" 5*eefd0858SFlorian Hahn 6*eefd0858SFlorian Hahndeclare void @llvm.assume(i1) 7*eefd0858SFlorian Hahn 8*eefd0858SFlorian Hahndefine i1 @gep_idx_implicit_truncate(ptr %dst, i64 %off) { 9*eefd0858SFlorian Hahn; CHECK-LABEL: @gep_idx_implicit_truncate( 10*eefd0858SFlorian Hahn; CHECK-NEXT: [[POS:%.*]] = icmp sge i64 [[OFF:%.*]], 0 11*eefd0858SFlorian Hahn; CHECK-NEXT: call void @llvm.assume(i1 [[POS]]) 12*eefd0858SFlorian Hahn; CHECK-NEXT: [[GEP_OFF:%.*]] = getelementptr inbounds i8, ptr [[DST:%.*]], i64 [[OFF]] 13*eefd0858SFlorian Hahn; CHECK-NEXT: ret i1 true 14*eefd0858SFlorian Hahn; 15*eefd0858SFlorian Hahn %pos = icmp sge i64 %off, 0 16*eefd0858SFlorian Hahn call void @llvm.assume(i1 %pos) 17*eefd0858SFlorian Hahn %gep.off = getelementptr inbounds i8, ptr %dst, i64 %off 18*eefd0858SFlorian Hahn %cmp = icmp ule ptr %dst, %gep.off 19*eefd0858SFlorian Hahn ret i1 %cmp 20*eefd0858SFlorian Hahn} 21*eefd0858SFlorian Hahn 22*eefd0858SFlorian Hahndefine i1 @gep_idx_explicit_truncate(ptr %dst, i64 %off) { 23*eefd0858SFlorian Hahn; CHECK-LABEL: @gep_idx_explicit_truncate( 24*eefd0858SFlorian Hahn; CHECK-NEXT: [[POS:%.*]] = icmp sge i64 [[OFF:%.*]], 0 25*eefd0858SFlorian Hahn; CHECK-NEXT: call void @llvm.assume(i1 [[POS]]) 26*eefd0858SFlorian Hahn; CHECK-NEXT: [[T:%.*]] = trunc i64 [[OFF]] to i32 27*eefd0858SFlorian Hahn; CHECK-NEXT: [[GEP_OFF:%.*]] = getelementptr inbounds i8, ptr [[DST:%.*]], i32 [[T]] 28*eefd0858SFlorian Hahn; CHECK-NEXT: [[CMP:%.*]] = icmp ule ptr [[DST]], [[GEP_OFF]] 29*eefd0858SFlorian Hahn; CHECK-NEXT: ret i1 [[CMP]] 30*eefd0858SFlorian Hahn; 31*eefd0858SFlorian Hahn %pos = icmp sge i64 %off, 0 32*eefd0858SFlorian Hahn call void @llvm.assume(i1 %pos) 33*eefd0858SFlorian Hahn %t = trunc i64 %off to i32 34*eefd0858SFlorian Hahn %gep.off = getelementptr inbounds i8, ptr %dst, i32 %t 35*eefd0858SFlorian Hahn %cmp = icmp ule ptr %dst, %gep.off 36*eefd0858SFlorian Hahn ret i1 %cmp 37*eefd0858SFlorian Hahn} 38