You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.6 KiB
80 lines
2.6 KiB
; RUN: opt < %s -S -nvvm-reflect -nvvm-reflect-list USE_MUL=0 -O2 | FileCheck %s --check-prefix=USE_MUL_0
|
|
; RUN: opt < %s -S -nvvm-reflect -nvvm-reflect-list USE_MUL=1 -O2 | FileCheck %s --check-prefix=USE_MUL_1
|
|
|
|
@str = private unnamed_addr addrspace(4) constant [8 x i8] c"USE_MUL\00"
|
|
|
|
declare i32 @__nvvm_reflect(i8*)
|
|
declare i8* @llvm.nvvm.ptr.constant.to.gen.p0i8.p4i8(i8 addrspace(4)*)
|
|
|
|
define float @foo(float %a, float %b) {
|
|
; USE_MUL_0: define float @foo
|
|
; USE_MUL_0-NOT: call i32 @__nvvm_reflect
|
|
; USE_MUL_1: define float @foo
|
|
; USE_MUL_1-NOT: call i32 @__nvvm_reflect
|
|
%ptr = tail call i8* @llvm.nvvm.ptr.constant.to.gen.p0i8.p4i8(i8 addrspace(4)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(4)* @str, i32 0, i32 0))
|
|
%reflect = tail call i32 @__nvvm_reflect(i8* %ptr)
|
|
%cmp = icmp ugt i32 %reflect, 0
|
|
br i1 %cmp, label %use_mul, label %use_add
|
|
|
|
use_mul:
|
|
; USE_MUL_1: fmul float %a, %b
|
|
; USE_MUL_0-NOT: fadd float %a, %b
|
|
%ret1 = fmul float %a, %b
|
|
br label %exit
|
|
|
|
use_add:
|
|
; USE_MUL_0: fadd float %a, %b
|
|
; USE_MUL_1-NOT: fmul float %a, %b
|
|
%ret2 = fadd float %a, %b
|
|
br label %exit
|
|
|
|
exit:
|
|
%ret = phi float [%ret1, %use_mul], [%ret2, %use_add]
|
|
ret float %ret
|
|
}
|
|
|
|
declare i32 @llvm.nvvm.reflect.p0i8(i8*)
|
|
|
|
; USE_MUL_0: define i32 @intrinsic
|
|
; USE_MUL_1: define i32 @intrinsic
|
|
define i32 @intrinsic() {
|
|
; USE_MUL_0-NOT: call i32 @llvm.nvvm.reflect
|
|
; USE_MUL_0: ret i32 0
|
|
; USE_MUL_1-NOT: call i32 @llvm.nvvm.reflect
|
|
; USE_MUL_1: ret i32 1
|
|
%ptr = tail call i8* @llvm.nvvm.ptr.constant.to.gen.p0i8.p4i8(i8 addrspace(4)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(4)* @str, i32 0, i32 0))
|
|
%reflect = tail call i32 @llvm.nvvm.reflect.p0i8(i8* %ptr)
|
|
ret i32 %reflect
|
|
}
|
|
|
|
; CUDA-7.0 passes __nvvm_reflect argument slightly differently.
|
|
; Verify that it works, too
|
|
|
|
@"$str" = private addrspace(1) constant [8 x i8] c"USE_MUL\00"
|
|
|
|
define float @bar(float %a, float %b) {
|
|
; USE_MUL_0: define float @bar
|
|
; USE_MUL_0-NOT: call i32 @__nvvm_reflect
|
|
; USE_MUL_1: define float @bar
|
|
; USE_MUL_1-NOT: call i32 @__nvvm_reflect
|
|
%reflect = call i32 @__nvvm_reflect(i8* addrspacecast (i8 addrspace(1)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(1)* @"$str", i32 0, i32 0) to i8*))
|
|
%cmp = icmp ne i32 %reflect, 0
|
|
br i1 %cmp, label %use_mul, label %use_add
|
|
|
|
use_mul:
|
|
; USE_MUL_1: fmul float %a, %b
|
|
; USE_MUL_0-NOT: fadd float %a, %b
|
|
%ret1 = fmul float %a, %b
|
|
br label %exit
|
|
|
|
use_add:
|
|
; USE_MUL_0: fadd float %a, %b
|
|
; USE_MUL_1-NOT: fmul float %a, %b
|
|
%ret2 = fadd float %a, %b
|
|
br label %exit
|
|
|
|
exit:
|
|
%ret = phi float [%ret1, %use_mul], [%ret2, %use_add]
|
|
ret float %ret
|
|
}
|