122 lines
2.8 KiB
LLVM
122 lines
2.8 KiB
LLVM
; RUN: opt -S -codegenprepare -mtriple=amdgcn--amdhsa < %s | FileCheck %s
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; CHECK-LABEL: @no_sink_local_to_flat(
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; CHECK: addrspacecast
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; CHECK: br
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; CHECK-NOT: addrspacecast
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define i64 @no_sink_local_to_flat(i1 %pred, i64 addrspace(3)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(3)* %ptr to i64 addrspace(4)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(3)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(4)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @no_sink_private_to_flat(
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; CHECK: addrspacecast
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; CHECK: br
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; CHECK-NOT: addrspacecast
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define i64 @no_sink_private_to_flat(i1 %pred, i64* %ptr) {
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%ptr_cast = addrspacecast i64* %ptr to i64 addrspace(4)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(4)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @sink_global_to_flat(
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; CHECK-NOT: addrspacecast
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; CHECK: br
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; CHECK: addrspacecast
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define i64 @sink_global_to_flat(i1 %pred, i64 addrspace(1)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(1)* %ptr to i64 addrspace(4)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(1)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(4)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @sink_flat_to_global(
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; CHECK-NOT: addrspacecast
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; CHECK: br
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; CHECK: addrspacecast
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define i64 @sink_flat_to_global(i1 %pred, i64 addrspace(4)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(4)* %ptr to i64 addrspace(1)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(4)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(1)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @sink_flat_to_constant(
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; CHECK-NOT: addrspacecast
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; CHECK: br
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; CHECK: addrspacecast
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define i64 @sink_flat_to_constant(i1 %pred, i64 addrspace(4)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(4)* %ptr to i64 addrspace(2)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(4)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(2)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @sink_flat_to_local(
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; CHECK-NOT: addrspacecast
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; CHECK: br
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; CHECK: addrspacecast
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define i64 @sink_flat_to_local(i1 %pred, i64 addrspace(4)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(4)* %ptr to i64 addrspace(3)*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(4)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64 addrspace(3)* %ptr_cast
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ret i64 %v2
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}
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; CHECK-LABEL: @sink_flat_to_private(
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; CHECK-NOT: addrspacecast
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; CHECK: br
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; CHECK: addrspacecast
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define i64 @sink_flat_to_private(i1 %pred, i64 addrspace(4)* %ptr) {
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%ptr_cast = addrspacecast i64 addrspace(4)* %ptr to i64*
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br i1 %pred, label %l1, label %l2
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l1:
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%v1 = load i64, i64 addrspace(4)* %ptr
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ret i64 %v1
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l2:
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%v2 = load i64, i64* %ptr_cast
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ret i64 %v2
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}
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