| Reid Kleckner | 016c6b2 | 2015-03-11 23:36:10 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -O0 -march=x86 |
| 2 | ; RUN: llc < %s -O0 -march=x86-64 |
| 3 | ; RUN: llc < %s -O2 -march=x86 |
| 4 | ; RUN: llc < %s -O2 -march=x86-64 |
| 5 | |
| 6 | |
| 7 | ; Test big index trunc to pointer size: |
| 8 | |
| 9 | define i8* @test_trunc65(i8* %ptr) nounwind { |
| 10 | ; CHECK-LABEL: test_trunc65 |
| 11 | ; CHECK: 3 |
| 12 | %d = getelementptr i8, i8* %ptr, i65 18446744073709551619 ; 2^64 + 3 |
| 13 | ret i8* %d |
| 14 | } |
| 15 | |
| 16 | define i8* @test_trunc128(i8* %ptr) nounwind { |
| 17 | ; CHECK-LABEL: test_trunc128 |
| 18 | ; CHECK: 5 |
| 19 | %d = getelementptr i8, i8* %ptr, i128 18446744073709551621 ; 2^64 + 5 |
| 20 | ret i8* %d |
| 21 | } |
| 22 | |
| 23 | define i8* @test_trunc160(i8* %ptr) nounwind { |
| 24 | ; CHECK-LABEL: test_trunc160 |
| 25 | ; CHECK: 8 |
| 26 | %d = getelementptr i8, i8* %ptr, i160 18446744073709551624 ; 2^64 + 8 |
| 27 | ret i8* %d |
| 28 | } |
| 29 | |
| 30 | define i8* @test_trunc256(i8* %ptr) nounwind { |
| 31 | ; CHECK-LABEL: test_trunc256 |
| 32 | ; CHECK: 13 |
| 33 | %d = getelementptr i8, i8* %ptr, i256 18446744073709551629 ; 2^64 + 13 |
| 34 | ret i8* %d |
| 35 | } |
| 36 | |
| 37 | define i8* @test_trunc2048(i8* %ptr) nounwind { |
| 38 | ; CHECK-LABEL: test_trunc2048 |
| 39 | ; CHECK: 21 |
| 40 | %d = getelementptr i8, i8* %ptr, i2048 18446744073709551637 ; 2^64 + 21 |
| 41 | ret i8* %d |
| 42 | } |
| 43 | |
| 44 | |
| 45 | ; Test small index sext to pointer size |
| 46 | |
| 47 | define i8* @test_sext3(i8* %ptr) nounwind { |
| 48 | ; CHECK-LABEL: test_sext3 |
| 49 | ; CHECK: -3 |
| 50 | %d = getelementptr i8, i8* %ptr, i3 -3 |
| 51 | ret i8* %d |
| 52 | } |
| 53 | |
| 54 | define i8* @test_sext5(i8* %ptr) nounwind { |
| 55 | ; CHECK-LABEL: test_sext5 |
| 56 | ; CHECK: -5 |
| 57 | %d = getelementptr i8, i8* %ptr, i5 -5 |
| 58 | ret i8* %d |
| 59 | } |
| 60 | |
| 61 | define i8* @test_sext8(i8* %ptr) nounwind { |
| 62 | ; CHECK-LABEL: test_sext8 |
| 63 | ; CHECK: -8 |
| 64 | %d = getelementptr i8, i8* %ptr, i8 -8 |
| 65 | ret i8* %d |
| 66 | } |
| 67 | |
| 68 | define i8* @test_sext13(i8* %ptr) nounwind { |
| 69 | ; CHECK-LABEL: test_sext13 |
| 70 | ; CHECK: -13 |
| 71 | %d = getelementptr i8, i8* %ptr, i8 -13 |
| 72 | ret i8* %d |
| 73 | } |
| 74 | |
| 75 | define i8* @test_sext16(i8* %ptr) nounwind { |
| 76 | ; CHECK-LABEL: test_sext16 |
| 77 | ; CHECK: -21 |
| 78 | %d = getelementptr i8, i8* %ptr, i8 -21 |
| 79 | ret i8* %d |
| 80 | } |