R600: Handle fcopysign

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210564 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 87 insertions, 0 deletions

diff --git a/test/CodeGen/R600/fcopysign.f32.ll b/test/CodeGen/R600/fcopysign.f32.ll
new file mode 100644
index 0000000000..7b4425bed7
--- /dev/null
+++ b/test/CodeGen/R600/fcopysign.f32.ll
@@ -0,0 +1,50 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+
+
+declare float @llvm.copysign.f32(float, float) nounwind readnone
+declare <2 x float> @llvm.copysign.v2f32(<2 x float>, <2 x float>) nounwind readnone
+declare <4 x float> @llvm.copysign.v4f32(<4 x float>, <4 x float>) nounwind readnone
+
+; Try to identify arg based on higher address.
+; FUNC-LABEL: @test_copysign_f32:
+; SI: S_LOAD_DWORD [[SSIGN:s[0-9]+]], {{.*}} 0xc
+; SI: V_MOV_B32_e32 [[VSIGN:v[0-9]+]], [[SSIGN]]
+; SI-DAG: S_LOAD_DWORD [[SMAG:s[0-9]+]], {{.*}} 0xb
+; SI-DAG: V_MOV_B32_e32 [[VMAG:v[0-9]+]], [[SMAG]]
+; SI-DAG: S_MOV_B32 [[SCONST:s[0-9]+]], 0x7fffffff
+; SI: V_BFI_B32 [[RESULT:v[0-9]+]], [[SCONST]], [[VMAG]], [[VSIGN]]
+; SI: BUFFER_STORE_DWORD [[RESULT]],
+; SI: S_ENDPGM
+
+; EG: BFI_INT
+define void @test_copysign_f32(float addrspace(1)* %out, float %mag, float %sign) nounwind {
+  %result = call float @llvm.copysign.f32(float %mag, float %sign)
+  store float %result, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: @test_copysign_v2f32:
+; SI: S_ENDPGM
+
+; EG: BFI_INT
+; EG: BFI_INT
+define void @test_copysign_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %mag, <2 x float> %sign) nounwind {
+  %result = call <2 x float> @llvm.copysign.v2f32(<2 x float> %mag, <2 x float> %sign)
+  store <2 x float> %result, <2 x float> addrspace(1)* %out, align 8
+  ret void
+}
+
+; FUNC-LABEL: @test_copysign_v4f32:
+; SI: S_ENDPGM
+
+; EG: BFI_INT
+; EG: BFI_INT
+; EG: BFI_INT
+; EG: BFI_INT
+define void @test_copysign_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %mag, <4 x float> %sign) nounwind {
+  %result = call <4 x float> @llvm.copysign.v4f32(<4 x float> %mag, <4 x float> %sign)
+  store <4 x float> %result, <4 x float> addrspace(1)* %out, align 16
+  ret void
+}
+
diff --git a/test/CodeGen/R600/fcopysign.f64.ll b/test/CodeGen/R600/fcopysign.f64.ll
new file mode 100644
index 0000000000..ea7a6db67f
--- /dev/null
+++ b/test/CodeGen/R600/fcopysign.f64.ll
@@ -0,0 +1,37 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+declare double @llvm.copysign.f64(double, double) nounwind readnone
+declare <2 x double> @llvm.copysign.v2f64(<2 x double>, <2 x double>) nounwind readnone
+declare <4 x double> @llvm.copysign.v4f64(<4 x double>, <4 x double>) nounwind readnone
+
+; FUNC-LABEL: @test_copysign_f64:
+; SI-DAG: S_LOAD_DWORDX2 s{{\[}}[[SSIGN_LO:[0-9]+]]:[[SSIGN_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
+; SI: V_MOV_B32_e32 v[[VSIGN_HI:[0-9]+]], s[[SSIGN_HI]]
+; SI-DAG: S_LOAD_DWORDX2 s{{\[}}[[SMAG_LO:[0-9]+]]:[[SMAG_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xb
+; SI-DAG: V_MOV_B32_e32 v[[VMAG_HI:[0-9]+]], s[[SMAG_HI]]
+; SI-DAG: S_MOV_B32 [[SCONST:s[0-9]+]], 0x7fffffff
+; SI: V_BFI_B32 v[[VRESULT_HI:[0-9]+]], [[SCONST]], v[[VMAG_HI]], v[[VSIGN_HI]]
+; SI: V_MOV_B32_e32 v[[VMAG_LO:[0-9]+]], s[[SMAG_LO]]
+; SI: BUFFER_STORE_DWORDX2 v{{\[}}[[VMAG_LO]]:[[VRESULT_HI]]{{\]}}
+; SI: S_ENDPGM
+define void @test_copysign_f64(double addrspace(1)* %out, double %mag, double %sign) nounwind {
+  %result = call double @llvm.copysign.f64(double %mag, double %sign)
+  store double %result, double addrspace(1)* %out, align 8
+  ret void
+}
+
+; FUNC-LABEL: @test_copysign_v2f64:
+; SI: S_ENDPGM
+define void @test_copysign_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %mag, <2 x double> %sign) nounwind {
+  %result = call <2 x double> @llvm.copysign.v2f64(<2 x double> %mag, <2 x double> %sign)
+  store <2 x double> %result, <2 x double> addrspace(1)* %out, align 8
+  ret void
+}
+
+; FUNC-LABEL: @test_copysign_v4f64:
+; SI: S_ENDPGM
+define void @test_copysign_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %mag, <4 x double> %sign) nounwind {
+  %result = call <4 x double> @llvm.copysign.v4f64(<4 x double> %mag, <4 x double> %sign)
+  store <4 x double> %result, <4 x double> addrspace(1)* %out, align 8
+  ret void
+}