| ; RUN: llc < %s -O0 -mtriple=i686-- |
| ; RUN: llc < %s -O0 -mtriple=x86_64-- |
| ; RUN: llc < %s -O2 -mtriple=i686-- |
| ; RUN: llc < %s -O2 -mtriple=x86_64-- |
| |
| |
| ; Test big index trunc to pointer size: |
| |
| define ptr @test_trunc65(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_trunc65 |
| ; CHECK: 3 |
| %d = getelementptr i8, ptr %ptr, i65 18446744073709551619 ; 2^64 + 3 |
| ret ptr %d |
| } |
| |
| define ptr @test_trunc128(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_trunc128 |
| ; CHECK: 5 |
| %d = getelementptr i8, ptr %ptr, i128 18446744073709551621 ; 2^64 + 5 |
| ret ptr %d |
| } |
| |
| define ptr @test_trunc160(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_trunc160 |
| ; CHECK: 8 |
| %d = getelementptr i8, ptr %ptr, i160 18446744073709551624 ; 2^64 + 8 |
| ret ptr %d |
| } |
| |
| define ptr @test_trunc256(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_trunc256 |
| ; CHECK: 13 |
| %d = getelementptr i8, ptr %ptr, i256 18446744073709551629 ; 2^64 + 13 |
| ret ptr %d |
| } |
| |
| define ptr @test_trunc2048(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_trunc2048 |
| ; CHECK: 21 |
| %d = getelementptr i8, ptr %ptr, i2048 18446744073709551637 ; 2^64 + 21 |
| ret ptr %d |
| } |
| |
| |
| ; Test small index sext to pointer size |
| |
| define ptr @test_sext3(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_sext3 |
| ; CHECK: -3 |
| %d = getelementptr i8, ptr %ptr, i3 -3 |
| ret ptr %d |
| } |
| |
| define ptr @test_sext5(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_sext5 |
| ; CHECK: -5 |
| %d = getelementptr i8, ptr %ptr, i5 -5 |
| ret ptr %d |
| } |
| |
| define ptr @test_sext8(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_sext8 |
| ; CHECK: -8 |
| %d = getelementptr i8, ptr %ptr, i8 -8 |
| ret ptr %d |
| } |
| |
| define ptr @test_sext13(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_sext13 |
| ; CHECK: -13 |
| %d = getelementptr i8, ptr %ptr, i8 -13 |
| ret ptr %d |
| } |
| |
| define ptr @test_sext16(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_sext16 |
| ; CHECK: -21 |
| %d = getelementptr i8, ptr %ptr, i8 -21 |
| ret ptr %d |
| } |
| |
| |
| ; Test out of int64_t range indices |
| |
| ; OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7173 |
| define void @test_outofrange(ptr %ptr) nounwind { |
| ; CHECK-LABEL: test_outofrange |
| %d = getelementptr i96, ptr %ptr, i96 39614081257132168796771975167 |
| %ld = load i96, ptr %d, align 1 |
| unreachable |
| } |