derek.holloway
7502bf64a4
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204 lines
6.5 KiB
LLVM
204 lines
6.5 KiB
LLVM
; RUN: llc -O0 < %s -mtriple=nvptx -mcpu=sm_20 | FileCheck %s -check-prefixes=ALL,CLS32
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; RUN: llc -O0 < %s -mtriple=nvptx64 -mcpu=sm_20 | FileCheck %s -check-prefixes=ALL,NOPTRCONV,CLS64
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; RUN: llc -O0 < %s -mtriple=nvptx64 -mcpu=sm_20 --nvptx-short-ptr | FileCheck %s -check-prefixes=ALL,PTRCONV,CLS64
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; RUN: %if ptxas-ptr32 %{ llc -O0 < %s -mtriple=nvptx -mcpu=sm_20 | %ptxas-verify %}
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; RUN: %if ptxas %{ llc -O0 < %s -mtriple=nvptx64 -mcpu=sm_20 | %ptxas-verify %}
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; RUN: %if ptxas %{ llc -O0 < %s -mtriple=nvptx64 -mcpu=sm_20 --nvptx-short-ptr | %ptxas-verify %}
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; ALL-LABEL: conv1
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define i32 @conv1(ptr addrspace(1) %ptr) {
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; CLS32: cvta.global.u32
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; ALL-NOT: cvt.u64.u32
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; CLS64: cvta.global.u64
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; ALL: ld.b32
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%genptr = addrspacecast ptr addrspace(1) %ptr to ptr
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%val = load i32, ptr %genptr
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ret i32 %val
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}
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; ALL-LABEL: conv2
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define i32 @conv2(ptr addrspace(3) %ptr) {
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; CLS32: cvta.shared.u32
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; PTRCONV: cvt.u64.u32
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; NOPTRCONV-NOT: cvt.u64.u32
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; CLS64: cvta.shared.u64
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; ALL: ld.b32
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%genptr = addrspacecast ptr addrspace(3) %ptr to ptr
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%val = load i32, ptr %genptr
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ret i32 %val
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}
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; ALL-LABEL: conv3
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define i32 @conv3(ptr addrspace(4) %ptr) {
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; CLS32: cvta.const.u32
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; PTRCONV: cvt.u64.u32
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; NOPTRCONV-NOT: cvt.u64.u32
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; CLS64: cvta.const.u64
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; ALL: ld.b32
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%genptr = addrspacecast ptr addrspace(4) %ptr to ptr
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%val = load i32, ptr %genptr
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ret i32 %val
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}
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; ALL-LABEL: conv4
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define i32 @conv4(ptr addrspace(5) %ptr) {
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; CLS32: cvta.local.u32
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; PTRCONV: cvt.u64.u32
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; NOPTRCONV-NOT: cvt.u64.u32
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; CLS64: cvta.local.u64
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; ALL: ld.b32
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%genptr = addrspacecast ptr addrspace(5) %ptr to ptr
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%val = load i32, ptr %genptr
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ret i32 %val
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}
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; ALL-LABEL: conv5
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define i32 @conv5(ptr %ptr) {
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; CLS32: cvta.to.global.u32
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; ALL-NOT: cvt.u64.u32
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; CLS64: cvta.to.global.u64
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; ALL: ld.global.b32
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%specptr = addrspacecast ptr %ptr to ptr addrspace(1)
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%val = load i32, ptr addrspace(1) %specptr
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ret i32 %val
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}
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; ALL-LABEL: conv6
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define i32 @conv6(ptr %ptr) {
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; CLS32: cvta.to.shared.u32
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; CLS64: cvta.to.shared.u64
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; PTRCONV: cvt.u32.u64
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; NOPTRCONV-NOT: cvt.u32.u64
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; ALL: ld.shared.b32
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%specptr = addrspacecast ptr %ptr to ptr addrspace(3)
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%val = load i32, ptr addrspace(3) %specptr
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ret i32 %val
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}
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; ALL-LABEL: conv7
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define i32 @conv7(ptr %ptr) {
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; CLS32: cvta.to.const.u32
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; CLS64: cvta.to.const.u64
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; PTRCONV: cvt.u32.u64
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; NOPTRCONV-NOT: cvt.u32.u64
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; ALL: ld.const.b32
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%specptr = addrspacecast ptr %ptr to ptr addrspace(4)
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%val = load i32, ptr addrspace(4) %specptr
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ret i32 %val
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}
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; ALL-LABEL: conv8
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define i32 @conv8(ptr %ptr) {
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; CLS32: cvta.to.local.u32
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; CLS64: cvta.to.local.u64
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; PTRCONV: cvt.u32.u64
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; NOPTRCONV-NOT: cvt.u32.u64
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; ALL: ld.local.b32
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%specptr = addrspacecast ptr %ptr to ptr addrspace(5)
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%val = load i32, ptr addrspace(5) %specptr
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ret i32 %val
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}
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; ALL-LABEL: conv9
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define i32 @conv9(ptr addrspace(1) %ptr) {
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; CLS32: // implicit-def: %[[ADDR:r[0-9]+]]
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; PTRCONV: // implicit-def: %[[ADDR:r[0-9]+]]
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; NOPTRCONV: // implicit-def: %[[ADDR:rd[0-9]+]]
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; ALL: ld.shared.b32 %r{{[0-9]+}}, [%[[ADDR]]]
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%specptr = addrspacecast ptr addrspace(1) %ptr to ptr addrspace(3)
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%val = load i32, ptr addrspace(3) %specptr
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ret i32 %val
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}
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; Check that we support addrspacecast when splitting the vector
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; result (<2 x ptr> => 2 x <1 x ptr>).
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; This also checks that scalarization works for addrspacecast
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; (when going from <1 x ptr> to ptr.)
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; ALL-LABEL: split1To0
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define void @split1To0(ptr nocapture noundef readonly %xs) {
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; CLS32: cvta.global.u32
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; CLS32: cvta.global.u32
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; CLS64: cvta.global.u64
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; CLS64: cvta.global.u64
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; ALL: st.b32
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; ALL: st.b32
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%vec_addr = load <2 x ptr addrspace(1)>, ptr %xs, align 16
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%addrspacecast = addrspacecast <2 x ptr addrspace(1)> %vec_addr to <2 x ptr>
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%extractelement0 = extractelement <2 x ptr> %addrspacecast, i64 0
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store float 0.5, ptr %extractelement0, align 4
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%extractelement1 = extractelement <2 x ptr> %addrspacecast, i64 1
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store float 1.0, ptr %extractelement1, align 4
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ret void
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}
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; Same as split1To0 but from 0 to 1, to make sure the addrspacecast preserve
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; the source and destination addrspaces properly.
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; ALL-LABEL: split0To1
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define void @split0To1(ptr nocapture noundef readonly %xs) {
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; CLS32: cvta.to.global.u32
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; CLS32: cvta.to.global.u32
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; CLS64: cvta.to.global.u64
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; CLS64: cvta.to.global.u64
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; ALL: st.global.b32
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; ALL: st.global.b32
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%vec_addr = load <2 x ptr>, ptr %xs, align 16
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%addrspacecast = addrspacecast <2 x ptr> %vec_addr to <2 x ptr addrspace(1)>
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%extractelement0 = extractelement <2 x ptr addrspace(1)> %addrspacecast, i64 0
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store float 0.5, ptr addrspace(1) %extractelement0, align 4
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%extractelement1 = extractelement <2 x ptr addrspace(1)> %addrspacecast, i64 1
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store float 1.0, ptr addrspace(1) %extractelement1, align 4
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ret void
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}
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; Check that we support addrspacecast when a widening is required
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; (3 x ptr => 4 x ptr).
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; ALL-LABEL: widen1To0
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define void @widen1To0(ptr nocapture noundef readonly %xs) {
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; CLS32: cvta.global.u32
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; CLS32: cvta.global.u32
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; CLS32: cvta.global.u32
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; CLS64: cvta.global.u64
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; CLS64: cvta.global.u64
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; CLS64: cvta.global.u64
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; ALL: st.b32
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; ALL: st.b32
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; ALL: st.b32
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%vec_addr = load <3 x ptr addrspace(1)>, ptr %xs, align 16
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%addrspacecast = addrspacecast <3 x ptr addrspace(1)> %vec_addr to <3 x ptr>
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%extractelement0 = extractelement <3 x ptr> %addrspacecast, i64 0
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store float 0.5, ptr %extractelement0, align 4
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%extractelement1 = extractelement <3 x ptr> %addrspacecast, i64 1
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store float 1.0, ptr %extractelement1, align 4
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%extractelement2 = extractelement <3 x ptr> %addrspacecast, i64 2
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store float 1.5, ptr %extractelement2, align 4
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ret void
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}
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; Same as widen1To0 but from 0 to 1, to make sure the addrspacecast preserve
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; the source and destination addrspaces properly.
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; ALL-LABEL: widen0To1
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define void @widen0To1(ptr nocapture noundef readonly %xs) {
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; CLS32: cvta.to.global.u32
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; CLS32: cvta.to.global.u32
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; CLS32: cvta.to.global.u32
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; CLS64: cvta.to.global.u64
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; CLS64: cvta.to.global.u64
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; CLS64: cvta.to.global.u64
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; ALL: st.global.b32
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; ALL: st.global.b32
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; ALL: st.global.b32
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%vec_addr = load <3 x ptr>, ptr %xs, align 16
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%addrspacecast = addrspacecast <3 x ptr> %vec_addr to <3 x ptr addrspace(1)>
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%extractelement0 = extractelement <3 x ptr addrspace(1)> %addrspacecast, i64 0
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store float 0.5, ptr addrspace(1) %extractelement0, align 4
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%extractelement1 = extractelement <3 x ptr addrspace(1)> %addrspacecast, i64 1
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store float 1.0, ptr addrspace(1) %extractelement1, align 4
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%extractelement2 = extractelement <3 x ptr addrspace(1)> %addrspacecast, i64 2
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store float 1.5, ptr addrspace(1) %extractelement2, align 4
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ret void
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}
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