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 } 81
