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llvm-mirror/test/Analysis/CostModel/X86/vector_gep.ll
Elena Demikhovsky ce52715df6 Fixed a failure in cost calculation for vector GEP
Cost calculation for vector GEP failed with due to invalid cast to GEP index operand.
The bug is fixed, added a test.

http://reviews.llvm.org/D14976

llvm-svn: 254408
2015-12-01 12:08:36 +00:00

18 lines
981 B
LLVM

; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-linux-unknown-unknown -mattr=+avx512f | FileCheck %s
%struct.S = type { [1000 x i32] }
declare <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*>, i32, <4 x i1>, <4 x i32>)
define <4 x i32> @foov(<4 x %struct.S*> %s, i64 %base){
%temp = insertelement <4 x i64> undef, i64 %base, i32 0
%vector = shufflevector <4 x i64> %temp, <4 x i64> undef, <4 x i32> zeroinitializer
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds %struct.S
%B = getelementptr inbounds %struct.S, <4 x %struct.S*> %s, <4 x i32> zeroinitializer, <4 x i32> zeroinitializer
;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds [1000 x i32]
%arrayidx = getelementptr inbounds [1000 x i32], <4 x [1000 x i32]*> %B, <4 x i64> zeroinitializer, <4 x i64> %vector
%res = call <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*> %arrayidx, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
ret <4 x i32> %res
}