mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
25540a7f39
Removes unnecessary casts from non-generic address spaces to the generic address space for certain code patterns. Patch by Jingyue Wu. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205571 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
2.3 KiB
LLVM
100 lines
2.3 KiB
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20 -disable-nvptx-favor-non-generic | FileCheck %s -check-prefix=PTX32
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; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 -disable-nvptx-favor-non-generic | FileCheck %s -check-prefix=PTX64
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define i32 @conv1(i32 addrspace(1)* %ptr) {
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; PTX32: conv1
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; PTX32: cvta.global.u32
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; PTX32: ld.u32
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; PTX64: conv1
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; PTX64: cvta.global.u64
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; PTX64: ld.u32
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%genptr = addrspacecast i32 addrspace(1)* %ptr to i32*
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%val = load i32* %genptr
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ret i32 %val
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}
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define i32 @conv2(i32 addrspace(3)* %ptr) {
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; PTX32: conv2
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; PTX32: cvta.shared.u32
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; PTX32: ld.u32
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; PTX64: conv2
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; PTX64: cvta.shared.u64
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; PTX64: ld.u32
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%genptr = addrspacecast i32 addrspace(3)* %ptr to i32*
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%val = load i32* %genptr
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ret i32 %val
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}
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define i32 @conv3(i32 addrspace(4)* %ptr) {
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; PTX32: conv3
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; PTX32: cvta.const.u32
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; PTX32: ld.u32
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; PTX64: conv3
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; PTX64: cvta.const.u64
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; PTX64: ld.u32
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%genptr = addrspacecast i32 addrspace(4)* %ptr to i32*
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%val = load i32* %genptr
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ret i32 %val
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}
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define i32 @conv4(i32 addrspace(5)* %ptr) {
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; PTX32: conv4
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; PTX32: cvta.local.u32
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; PTX32: ld.u32
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; PTX64: conv4
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; PTX64: cvta.local.u64
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; PTX64: ld.u32
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%genptr = addrspacecast i32 addrspace(5)* %ptr to i32*
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%val = load i32* %genptr
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ret i32 %val
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}
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define i32 @conv5(i32* %ptr) {
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; PTX32: conv5
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; PTX32: cvta.to.global.u32
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; PTX32: ld.global.u32
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; PTX64: conv5
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; PTX64: cvta.to.global.u64
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; PTX64: ld.global.u32
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%specptr = addrspacecast i32* %ptr to i32 addrspace(1)*
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%val = load i32 addrspace(1)* %specptr
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ret i32 %val
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}
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define i32 @conv6(i32* %ptr) {
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; PTX32: conv6
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; PTX32: cvta.to.shared.u32
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; PTX32: ld.shared.u32
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; PTX64: conv6
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; PTX64: cvta.to.shared.u64
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; PTX64: ld.shared.u32
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%specptr = addrspacecast i32* %ptr to i32 addrspace(3)*
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%val = load i32 addrspace(3)* %specptr
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ret i32 %val
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}
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define i32 @conv7(i32* %ptr) {
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; PTX32: conv7
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; PTX32: cvta.to.const.u32
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; PTX32: ld.const.u32
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; PTX64: conv7
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; PTX64: cvta.to.const.u64
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; PTX64: ld.const.u32
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%specptr = addrspacecast i32* %ptr to i32 addrspace(4)*
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%val = load i32 addrspace(4)* %specptr
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ret i32 %val
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}
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define i32 @conv8(i32* %ptr) {
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; PTX32: conv8
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; PTX32: cvta.to.local.u32
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; PTX32: ld.local.u32
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; PTX64: conv8
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; PTX64: cvta.to.local.u64
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; PTX64: ld.local.u32
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%specptr = addrspacecast i32* %ptr to i32 addrspace(5)*
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%val = load i32 addrspace(5)* %specptr
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ret i32 %val
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}
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