forked from OSchip/llvm-project
52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; RUN: llc < %s -march=nvptx64 -mcpu=sm_35 | FileCheck %s
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; Check that invariant loads from the global addrspace are lowered to
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; ld.global.nc.
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; CHECK-LABEL: @ld_global
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define i32 @ld_global(i32 addrspace(1)* %ptr) {
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; CHECK: ld.global.nc.{{[a-z]}}32
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%a = load i32, i32 addrspace(1)* %ptr, !invariant.load !0
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ret i32 %a
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}
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; CHECK-LABEL: @ld_global_v2i32
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define i32 @ld_global_v2i32(<2 x i32> addrspace(1)* %ptr) {
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; CHECK: ld.global.nc.v2.{{[a-z]}}32
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%a = load <2 x i32>, <2 x i32> addrspace(1)* %ptr, !invariant.load !0
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%v1 = extractelement <2 x i32> %a, i32 0
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%v2 = extractelement <2 x i32> %a, i32 1
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%sum = add i32 %v1, %v2
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ret i32 %sum
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}
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; CHECK-LABEL: @ld_global_v4i32
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define i32 @ld_global_v4i32(<4 x i32> addrspace(1)* %ptr) {
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; CHECK: ld.global.nc.v4.{{[a-z]}}32
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%a = load <4 x i32>, <4 x i32> addrspace(1)* %ptr, !invariant.load !0
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%v1 = extractelement <4 x i32> %a, i32 0
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%v2 = extractelement <4 x i32> %a, i32 1
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%v3 = extractelement <4 x i32> %a, i32 2
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%v4 = extractelement <4 x i32> %a, i32 3
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%sum1 = add i32 %v1, %v2
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%sum2 = add i32 %v3, %v4
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%sum3 = add i32 %sum1, %sum2
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ret i32 %sum3
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}
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; CHECK-LABEL: @ld_not_invariant
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define i32 @ld_not_invariant(i32 addrspace(1)* %ptr) {
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; CHECK: ld.global.{{[a-z]}}32
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%a = load i32, i32 addrspace(1)* %ptr
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ret i32 %a
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}
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; CHECK-LABEL: @ld_not_global_addrspace
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define i32 @ld_not_global_addrspace(i32 addrspace(0)* %ptr) {
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; CHECK: ld.{{[a-z]}}32
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%a = load i32, i32 addrspace(0)* %ptr
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ret i32 %a
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}
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!0 = !{}
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