llvm-project/llvm/test/Analysis/CostModel/X86/gep.ll

41 lines
2.0 KiB
LLVM

; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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"
target triple = "x86_64-apple-macosx10.8.0"
define void @test_geps() {
; Cost of should be zero. We expect it to be folded into
; the instruction addressing mode.
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8*
%a0 = getelementptr inbounds i8* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16*
%a1 = getelementptr inbounds i16* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32*
%a2 = getelementptr inbounds i32* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64*
%a3 = getelementptr inbounds i64* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds float*
%a4 = getelementptr inbounds float* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds double*
%a5 = getelementptr inbounds double* undef, i32 0
; Vector geps should also have zero cost.
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>*
%a7 = getelementptr inbounds <4 x i8>* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>*
%a8 = getelementptr inbounds <4 x i16>* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i32>*
%a9 = getelementptr inbounds <4 x i32>* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i64>*
%a10 = getelementptr inbounds <4 x i64>* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x float>*
%a11 = getelementptr inbounds <4 x float>* undef, i32 0
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x double>*
%a12 = getelementptr inbounds <4 x double>* undef, i32 0
ret void
}