| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=instcombine < %s | FileCheck %s |
| |
| @g = global [16 x i16] zeroinitializer |
| |
| define ptr @gep_constexpr_gv_1() { |
| ; CHECK-LABEL: @gep_constexpr_gv_1( |
| ; CHECK-NEXT: ret ptr getelementptr inbounds ([16 x i16], ptr @g, i64 0, i64 10) |
| ; |
| ret ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10) |
| } |
| |
| define ptr @gep_constexpr_gv_2() { |
| ; CHECK-LABEL: @gep_constexpr_gv_2( |
| ; CHECK-NEXT: ret ptr getelementptr inbounds ([16 x i16], ptr @g, i64 0, i64 12) |
| ; |
| ret ptr getelementptr(i32, ptr getelementptr([16 x i16], ptr @g, i64 0, i64 10), i64 1) |
| } |
| |
| ; Silly expression to get an inttoptr that does not combine with the GEP. |
| define ptr @gep_constexpr_inttoptr() { |
| ; CHECK-LABEL: @gep_constexpr_inttoptr( |
| ; CHECK-NEXT: ret ptr getelementptr (i8, ptr inttoptr (i64 mul (i64 ptrtoint (ptr @g to i64), i64 2) to ptr), i64 20) |
| ; |
| ret ptr getelementptr([16 x i16], ptr inttoptr (i64 mul (i64 ptrtoint (ptr @g to i64), i64 2) to ptr), i64 0, i64 10) |
| } |