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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=instcombine < %s | FileCheck %s3 4@g = global [16 x i16] zeroinitializer5 6define ptr @gep_constexpr_gv_1() {7; CHECK-LABEL: @gep_constexpr_gv_1(8; CHECK-NEXT: ret ptr getelementptr inbounds nuw (i8, ptr @g, i64 20)9;10 ret ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10)11}12 13define ptr @gep_constexpr_gv_2() {14; CHECK-LABEL: @gep_constexpr_gv_2(15; CHECK-NEXT: ret ptr getelementptr inbounds nuw (i8, ptr @g, i64 24)16;17 ret ptr getelementptr(i32, ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10), i64 1)18}19 20; Silly expression to get an inttoptr that does not combine with the GEP.21define ptr @gep_constexpr_inttoptr() {22; CHECK-LABEL: @gep_constexpr_inttoptr(23; CHECK-NEXT: [[MUL:%.*]] = shl i64 ptrtoint (ptr @g to i64), 124; CHECK-NEXT: [[INTTOPTR:%.*]] = inttoptr i64 [[MUL]] to ptr25; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[INTTOPTR]], i64 2026; CHECK-NEXT: ret ptr [[GEP]]27;28 %mul = mul i64 ptrtoint (ptr @g to i64), 229 %inttoptr = inttoptr i64 %mul to ptr30 %gep = getelementptr [16 x i16], ptr %inttoptr, i64 0, i64 1031 ret ptr %gep32}33