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