Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions

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if not 'NVPTX' in config.root.targets:
config.unsupported = True

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; RUN: opt -mtriple=nvptx64-nvidia-cuda -load-store-vectorizer -S -o - %s | FileCheck %s
; Check that the load/store vectorizer is willing to move loads/stores across
; intervening instructions only if it's safe.
;
; - Loads can be moved across instructions that don't write or throw.
; - Stores can only be moved across instructions which don't read, write, or
; throw.
declare void @fn()
declare void @fn_nounwind() #0
declare void @fn_nounwind_writeonly() #1
declare void @fn_nounwind_readonly() #2
declare void @fn_writeonly() #3
declare void @fn_readonly() #4
declare void @fn_readnone() #5
; CHECK-LABEL: @load_fn
; CHECK: load
; CHECK: call void @fn()
; CHECK: load
define void @load_fn(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn()
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_nounwind
; CHECK: load
; CHECK: call void @fn_nounwind()
; CHECK: load
define void @load_fn_nounwind(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_nounwind() #0
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_nounwind_writeonly
; CHECK: load
; CHECK: call void @fn_nounwind_writeonly()
; CHECK: load
define void @load_fn_nounwind_writeonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_nounwind_writeonly() #1
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_nounwind_readonly
; CHECK-DAG: load <2 x i32>
; CHECK-DAG: call void @fn_nounwind_readonly()
define void @load_fn_nounwind_readonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_nounwind_readonly() #2
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_readonly
; CHECK: load
; CHECK: call void @fn_readonly
; CHECK: load
define void @load_fn_readonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_readonly() #4
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_writeonly
; CHECK: load
; CHECK: call void @fn_writeonly()
; CHECK: load
define void @load_fn_writeonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_writeonly() #3
%v1 = load i32, i32* %p.1, align 4
ret void
}
; CHECK-LABEL: @load_fn_readnone
; CHECK-DAG: load <2 x i32>
; CHECK-DAG: call void @fn_readnone()
define void @load_fn_readnone(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
%v0 = load i32, i32* %p, align 8
call void @fn_readnone() #5
%v1 = load i32, i32* %p.1, align 4
ret void
}
; ------------------------------------------------
; Same tests, but now for stores instead of loads.
; ------------------------------------------------
; CHECK-LABEL: @store_fn
; CHECK: store
; CHECK: call void @fn()
; CHECK: store
define void @store_fn(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn()
store i32 0, i32* %p.1
ret void
}
; CHECK-LABEL: @store_fn_nounwind
; CHECK: store
; CHECK: call void @fn_nounwind()
; CHECK: store
define void @store_fn_nounwind(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn_nounwind() #0
store i32 0, i32* %p.1
ret void
}
; CHECK-LABEL: @store_fn_nounwind_writeonly
; CHECK: store
; CHECK: call void @fn_nounwind_writeonly()
; CHECK: store
define void @store_fn_nounwind_writeonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn_nounwind_writeonly() #1
store i32 0, i32* %p.1
ret void
}
; CHECK-LABEL: @store_fn_nounwind_readonly
; CHECK: store
; CHECK: call void @fn_nounwind_readonly()
; CHECK: store
define void @store_fn_nounwind_readonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn_nounwind_readonly() #2
store i32 0, i32* %p.1
ret void
}
; CHECK-LABEL: @store_fn_readonly
; CHECK: store
; CHECK: call void @fn_readonly
; CHECK: store
define void @store_fn_readonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn_readonly() #4
store i32 0, i32* %p.1
ret void
}
; CHECK-LABEL: @store_fn_writeonly
; CHECK: store
; CHECK: call void @fn_writeonly()
; CHECK: store
define void @store_fn_writeonly(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p
call void @fn_writeonly() #3
store i32 0, i32* %p.1
ret void
}
; This is the only store idiom we can vectorize.
; CHECK-LABEL: @store_fn_readnone
; CHECK-DAG: store <2 x i32>
; CHECK-DAG: call void @fn_readnone()
define void @store_fn_readnone(i32* %p) #0 {
%p.1 = getelementptr i32, i32* %p, i32 1
store i32 0, i32* %p, align 8
call void @fn_readnone() #5
store i32 0, i32* %p.1, align 8
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind writeonly }
attributes #2 = { nounwind readonly }
attributes #3 = { writeonly }
attributes #4 = { readonly }
; readnone implies nounwind, so no need to test separately
attributes #5 = { nounwind readnone }

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; RUN: opt -mtriple=nvptx64-nvidia-cuda -load-store-vectorizer -S -o - %s | FileCheck %s
; Load from a constant. This can be vectorized, but shouldn't crash us.
@global = internal addrspace(1) constant [4 x float] [float 0xBF71111120000000, float 0x3F70410420000000, float 0xBF81111120000000, float 0x3FB5555560000000], align 4
define void @foo() {
; CHECK: load <4 x float>
%a = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 0), align 16
%b = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 1), align 4
%c = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 2), align 4
%d = load float, float addrspace(1)* getelementptr inbounds ([4 x float], [4 x float] addrspace(1)* @global, i64 0, i64 3), align 4
ret void
}

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; RUN: opt -load-store-vectorizer -march=nvptx64 -mcpu=sm_35 -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
target triple = "nvptx64-nvidia-cuda"
; CHECK-LABEL: @foo
define i32 @foo(i32* %ptr) {
%ptr1 = getelementptr i32, i32* %ptr, i32 1
%p1 = addrspacecast i32* %ptr1 to i32 addrspace(1)*
; CHECK: load <2 x i32>, <2 x i32>* %{{[0-9]+}}, align 8, !invariant.load !0
%v0 = load i32, i32* %ptr, align 8, !invariant.load !0
%v1 = load i32, i32* %ptr1, align 4, !invariant.load !0
%sum = add i32 %v0, %v1
ret i32 %sum
}
!0 = !{}