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llvm/test/CodeGen/AMDGPU/fcanonicalize.ll
Matt Arsenault 7614ec6431 AMDGPU: Make i64 loads/stores promote to v2i32 
Now that unaligned access expansion should not attempt
to produce i64 accesses, we can remove the hack in
PreprocessISelDAG where this is done.

This allows splitting i64 private accesses while
allowing the new add nodes indexing the vector components
can be folded with the base pointer arithmetic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268293 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-02 20:07:26 +00:00

321 lines
14 KiB
LLVM
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; RUN: llc -march=amdgcn -verify-machineinstrs -mattr=-fp32-denormals,-fp64-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=NODENORM %s
; RUN: llc -march=amdgcn -verify-machineinstrs -mattr=+fp32-denormals,+fp64-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=DENORM %s
declare float @llvm.canonicalize.f32(float) #0
declare double @llvm.canonicalize.f64(double) #0
; GCN-LABEL: {{^}}v_test_canonicalize_var_f32:
; GCN: v_mul_f32_e32 [[REG:v[0-9]+]], 1.0, {{v[0-9]+}}
; GCN: buffer_store_dword [[REG]]
define void @v_test_canonicalize_var_f32(float addrspace(1)* %out) #1 {
%val = load float, float addrspace(1)* %out
%canonicalized = call float @llvm.canonicalize.f32(float %val)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}s_test_canonicalize_var_f32:
; GCN: v_mul_f32_e64 [[REG:v[0-9]+]], 1.0, {{s[0-9]+}}
; GCN: buffer_store_dword [[REG]]
define void @s_test_canonicalize_var_f32(float addrspace(1)* %out, float %val) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float %val)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p0_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_p0_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float 0.0)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_n0_f32:
; GCN: v_bfrev_b32_e32 [[REG:v[0-9]+]], 1{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_n0_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float -0.0)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p1_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_p1_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float 1.0)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_n1_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], -1.0{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_n1_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float -1.0)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_literal_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x41800000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_literal_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float 16.0)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_denormal0_f32:
; NODENORM: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
; DENORM: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fffff{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_denormal0_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 8388607 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_denormal1_f32:
; NODENORM: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
; DENORM: v_mov_b32_e32 [[REG:v[0-9]+]], 0x807fffff{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_denormal1_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 2155872255 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_qnan_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float 0x7FF8000000000000)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg1_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_qnan_value_neg1_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 -1 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg2_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_qnan_value_neg2_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 -2 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan0_value_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_snan0_value_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 2139095041 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan1_value_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_snan1_value_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 2143289343 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan2_value_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_snan2_value_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 4286578689 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan3_value_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000{{$}}
; GCN: buffer_store_dword [[REG]]
define void @test_fold_canonicalize_snan3_value_f32(float addrspace(1)* %out) #1 {
%canonicalized = call float @llvm.canonicalize.f32(float bitcast (i32 4290772991 to float))
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_var_f64:
; GCN: v_mul_f64 [[REG:v\[[0-9]+:[0-9]+\]]], 1.0, {{v\[[0-9]+:[0-9]+\]}}
; GCN: buffer_store_dwordx2 [[REG]]
define void @v_test_canonicalize_var_f64(double addrspace(1)* %out) #1 {
%val = load double, double addrspace(1)* %out
%canonicalized = call double @llvm.canonicalize.f64(double %val)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}s_test_canonicalize_var_f64:
; GCN: v_mul_f64 [[REG:v\[[0-9]+:[0-9]+\]]], 1.0, {{s\[[0-9]+:[0-9]+\]}}
; GCN: buffer_store_dwordx2 [[REG]]
define void @s_test_canonicalize_var_f64(double addrspace(1)* %out, double %val) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double %val)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p0_f64:
; GCN: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: v_mov_b32_e32 v[[HI:[0-9]+]], v[[LO]]{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_p0_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double 0.0)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_n0_f64:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN-DAG: v_bfrev_b32_e32 v[[HI:[0-9]+]], 1{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_n0_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double -0.0)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p1_f64:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x3ff00000{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_p1_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double 1.0)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_n1_f64:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0xbff00000{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_n1_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double -1.0)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_literal_f64:
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x40300000{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_literal_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double 16.0)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_denormal0_f64:
; DENORM-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], -1{{$}}
; DENORM-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0xfffff{{$}}
; NODENORM: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; NODENORM: v_mov_b32_e32 v[[HI:[0-9]+]], v[[LO]]{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_denormal0_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 4503599627370495 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_denormal1_f64:
; DENORM-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], -1{{$}}
; DENORM-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x800fffff{{$}}
; NODENORM: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; NODENORM: v_mov_b32_e32 v[[HI:[0-9]+]], v[[LO]]{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_denormal1_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 9227875636482146303 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_qnan_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double 0x7FF8000000000000)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg1_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_qnan_value_neg1_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 -1 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg2_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_qnan_value_neg2_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 -2 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan0_value_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_snan0_value_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 9218868437227405313 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan1_value_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_snan1_value_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 9223372036854775807 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan2_value_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_snan2_value_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 18442240474082181121 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_snan3_value_f64:
; GCN-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0x7ff80000{{$}}
; GCN-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
define void @test_fold_canonicalize_snan3_value_f64(double addrspace(1)* %out) #1 {
%canonicalized = call double @llvm.canonicalize.f64(double bitcast (i64 18446744073709551615 to double))
store double %canonicalized, double addrspace(1)* %out
ret void
}
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
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