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llvm-project/llvm/test/Transforms/InstCombine/amdgcn-intrinsics.ll

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R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
; RUN: opt -instcombine -S < %s | FileCheck %s
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
declare float @llvm.amdgcn.rcp.f32(float) nounwind readnone
declare double @llvm.amdgcn.rcp.f64(double) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
; CHECK-LABEL: @test_constant_fold_rcp_f32_1
; CHECK-NEXT: ret float 1.000000e+00
define float @test_constant_fold_rcp_f32_1() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call float @llvm.amdgcn.rcp.f32(float 1.0) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret float %val
}
; CHECK-LABEL: @test_constant_fold_rcp_f64_1
; CHECK-NEXT: ret double 1.000000e+00
define double @test_constant_fold_rcp_f64_1() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call double @llvm.amdgcn.rcp.f64(double 1.0) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret double %val
}
; CHECK-LABEL: @test_constant_fold_rcp_f32_half
; CHECK-NEXT: ret float 2.000000e+00
define float @test_constant_fold_rcp_f32_half() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call float @llvm.amdgcn.rcp.f32(float 0.5) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret float %val
}
; CHECK-LABEL: @test_constant_fold_rcp_f64_half
; CHECK-NEXT: ret double 2.000000e+00
define double @test_constant_fold_rcp_f64_half() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call double @llvm.amdgcn.rcp.f64(double 0.5) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret double %val
}
; CHECK-LABEL: @test_constant_fold_rcp_f32_43
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
; CHECK-NEXT: call float @llvm.amdgcn.rcp.f32(float 4.300000e+01)
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
define float @test_constant_fold_rcp_f32_43() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call float @llvm.amdgcn.rcp.f32(float 4.300000e+01) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret float %val
}
; CHECK-LABEL: @test_constant_fold_rcp_f64_43
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
; CHECK-NEXT: call double @llvm.amdgcn.rcp.f64(double 4.300000e+01)
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
define double @test_constant_fold_rcp_f64_43() nounwind {
AMDGPU: Rename intrinsics to use amdgcn prefix The intrinsic target prefix should match the target name as it appears in the triple. This is not yet complete, but gets most of the important ones. llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled for compatability for now. llvm-svn: 258557
2016-01-23 05:30:34 +08:00
%val = call double @llvm.amdgcn.rcp.f64(double 4.300000e+01) nounwind readnone
R600/SI: Add intrinsics for various math instructions. These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. llvm-svn: 211247
2014-06-19 09:19:19 +08:00
ret double %val
}