derek.holloway
7502bf64a4
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103 lines
4.1 KiB
LLVM
103 lines
4.1 KiB
LLVM
; This test checks that the address space casts for SPIR-V generic pointer casts
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; are lowered correctly by the infer-address-spaces pass.
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; RUN: opt < %s -passes=infer-address-spaces -S --mtriple=spirv64-unknown-unknown | FileCheck %s
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; Casting a global pointer to a global pointer.
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; The uses of c2 will be replaced with %global.
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; CHECK: @kernel1(ptr addrspace(1) %global)
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define i1 @kernel1(ptr addrspace(1) %global) {
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%c1 = addrspacecast ptr addrspace(1) %global to ptr addrspace(4)
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%c2 = call ptr addrspace(1) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(1) %global, null
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%b1 = icmp eq ptr addrspace(1) %c2, null
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ret i1 %b1
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}
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; Casting a global pointer to a local pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel2(ptr addrspace(1) %global)
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define i1 @kernel2(ptr addrspace(1) %global) {
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%c1 = addrspacecast ptr addrspace(1) %global to ptr addrspace(4)
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%c2 = call ptr addrspace(3) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(3) null, null
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%b1 = icmp eq ptr addrspace(3) %c2, null
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ret i1 %b1
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}
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; Casting a global pointer to a private pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel3(ptr addrspace(1) %global)
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define i1 @kernel3(ptr addrspace(1) %global) {
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%c1 = addrspacecast ptr addrspace(1) %global to ptr addrspace(4)
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%c2 = call ptr @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr null, null
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%b1 = icmp eq ptr %c2, null
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ret i1 %b1
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}
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; Casting a local pointer to a local pointer.
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; The uses of c2 will be replaced with %local.
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; CHECK: @kernel4(ptr addrspace(3) %local)
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define i1 @kernel4(ptr addrspace(3) %local) {
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%c1 = addrspacecast ptr addrspace(3) %local to ptr addrspace(4)
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%c2 = call ptr addrspace(3) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(3) %local, null
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%b1 = icmp eq ptr addrspace(3) %c2, null
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ret i1 %b1
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}
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; Casting a local pointer to a global pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel5(ptr addrspace(3) %local)
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define i1 @kernel5(ptr addrspace(3) %local) {
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%c1 = addrspacecast ptr addrspace(3) %local to ptr addrspace(4)
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%c2 = call ptr addrspace(1) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(1) null, null
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%b1 = icmp eq ptr addrspace(1) %c2, null
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ret i1 %b1
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}
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; Casting a local pointer to a private pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel6(ptr addrspace(3) %local)
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define i1 @kernel6(ptr addrspace(3) %local) {
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%c1 = addrspacecast ptr addrspace(3) %local to ptr addrspace(4)
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%c2 = call ptr @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr null, null
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%b1 = icmp eq ptr %c2, null
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ret i1 %b1
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}
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; Casting a private pointer to a private pointer.
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; The uses of c2 will be replaced with %private.
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; CHECK: @kernel7(ptr %private)
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define i1 @kernel7(ptr %private) {
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%c1 = addrspacecast ptr %private to ptr addrspace(4)
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%c2 = call ptr @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr %private, null
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%b1 = icmp eq ptr %c2, null
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ret i1 %b1
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}
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; Casting a private pointer to a global pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel8(ptr %private)
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define i1 @kernel8(ptr %private) {
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%c1 = addrspacecast ptr %private to ptr addrspace(4)
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%c2 = call ptr addrspace(1) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(1) null, null
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%b1 = icmp eq ptr addrspace(1) %c2, null
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ret i1 %b1
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}
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; Casting a private pointer to a local pointer.
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; The uses of c2 will be replaced with null.
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; CHECK: @kernel9(ptr %private)
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define i1 @kernel9(ptr %private) {
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%c1 = addrspacecast ptr %private to ptr addrspace(4)
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%c2 = call ptr addrspace(3) @llvm.spv.generic.cast.to.ptr.explicit(ptr addrspace(4) %c1)
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; CHECK: %b1 = icmp eq ptr addrspace(3) null, null
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%b1 = icmp eq ptr addrspace(3) %c2, null
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ret i1 %b1
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}
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