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llvm-mirror/test/Analysis/CostModel/AMDGPU/addrspacecast.ll
Matt Arsenault 1c86c8a2a7 TTI: Report 0 cost for free addrspacecasts
llvm-svn: 264369
2016-03-25 00:26:29 +00:00

46 lines
2.2 KiB
LLVM

; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri < %s | FileCheck %s
; CHECK: 'addrspacecast_global_to_flat'
; CHECK: estimated cost of 0 for {{.*}} addrspacecast i8 addrspace(1)* %ptr to i8 addrspace(4)*
define i8 addrspace(4)* @addrspacecast_global_to_flat(i8 addrspace(1)* %ptr) #0 {
%cast = addrspacecast i8 addrspace(1)* %ptr to i8 addrspace(4)*
ret i8 addrspace(4)* %cast
}
; CHECK: 'addrspacecast_global_to_flat_v2'
; CHECK: estimated cost of 0 for {{.*}} addrspacecast <2 x i8 addrspace(1)*> %ptr to <2 x i8 addrspace(4)*>
define <2 x i8 addrspace(4)*> @addrspacecast_global_to_flat_v2(<2 x i8 addrspace(1)*> %ptr) #0 {
%cast = addrspacecast <2 x i8 addrspace(1)*> %ptr to <2 x i8 addrspace(4)*>
ret <2 x i8 addrspace(4)*> %cast
}
; CHECK: 'addrspacecast_global_to_flat_v32'
; CHECK: estimated cost of 0 for {{.*}} addrspacecast <32 x i8 addrspace(1)*> %ptr to <32 x i8 addrspace(4)*>
define <32 x i8 addrspace(4)*> @addrspacecast_global_to_flat_v32(<32 x i8 addrspace(1)*> %ptr) #0 {
%cast = addrspacecast <32 x i8 addrspace(1)*> %ptr to <32 x i8 addrspace(4)*>
ret <32 x i8 addrspace(4)*> %cast
}
; CHECK: 'addrspacecast_local_to_flat'
; CHECK: estimated cost of 1 for {{.*}} addrspacecast i8 addrspace(3)* %ptr to i8 addrspace(4)*
define i8 addrspace(4)* @addrspacecast_local_to_flat(i8 addrspace(3)* %ptr) #0 {
%cast = addrspacecast i8 addrspace(3)* %ptr to i8 addrspace(4)*
ret i8 addrspace(4)* %cast
}
; CHECK: 'addrspacecast_local_to_flat_v2'
; CHECK: estimated cost of 2 for {{.*}} addrspacecast <2 x i8 addrspace(3)*> %ptr to <2 x i8 addrspace(4)*>
define <2 x i8 addrspace(4)*> @addrspacecast_local_to_flat_v2(<2 x i8 addrspace(3)*> %ptr) #0 {
%cast = addrspacecast <2 x i8 addrspace(3)*> %ptr to <2 x i8 addrspace(4)*>
ret <2 x i8 addrspace(4)*> %cast
}
; CHECK: 'addrspacecast_local_to_flat_v32'
; CHECK: estimated cost of 32 for {{.*}} addrspacecast <32 x i8 addrspace(3)*> %ptr to <32 x i8 addrspace(4)*>
define <32 x i8 addrspace(4)*> @addrspacecast_local_to_flat_v32(<32 x i8 addrspace(3)*> %ptr) #0 {
%cast = addrspacecast <32 x i8 addrspace(3)*> %ptr to <32 x i8 addrspace(4)*>
ret <32 x i8 addrspace(4)*> %cast
}
attributes #0 = { nounwind readnone }