1 ; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.8.0"
7 define void @test_geps() {
8 ; Cost of should be zero. We expect it to be folded into
9 ; the instruction addressing mode.
10 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
11 %a0 = getelementptr inbounds i8, i8* undef, i32 0
12 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
13 %a1 = getelementptr inbounds i16, i16* undef, i32 0
14 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
15 %a2 = getelementptr inbounds i32, i32* undef, i32 0
16 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
17 %a3 = getelementptr inbounds i64, i64* undef, i32 0
19 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds float, float*
20 %a4 = getelementptr inbounds float, float* undef, i32 0
21 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds double, double*
22 %a5 = getelementptr inbounds double, double* undef, i32 0
24 ; Vector geps should also have zero cost.
25 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
26 %a7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 0
27 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
28 %a8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 0
29 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
30 %a9 = getelementptr inbounds <4 x i32>, <4 x i32>* undef, i32 0
31 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
32 %a10 = getelementptr inbounds <4 x i64>, <4 x i64>* undef, i32 0
33 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
34 %a11 = getelementptr inbounds <4 x float>, <4 x float>* undef, i32 0
35 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
36 %a12 = getelementptr inbounds <4 x double>, <4 x double>* undef, i32 0
38 ; Check that we handle outlandishly large GEPs properly. This is unlikely to
39 ; be a valid pointer, but LLVM still generates GEPs like this sometimes in
42 ; This GEP has index INT64_MAX, which is cost 1.
43 ;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i8, i8*
44 %giant_gep0 = getelementptr inbounds i8, i8* undef, i64 9223372036854775807
46 ; This GEP index wraps around to -1, which is cost 0.
47 ;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
48 %giant_gep1 = getelementptr inbounds i8, i8* undef, i128 295147905179352825855