R600/SI: Use source modifier for f64 fabs

llvm-svn: 215747

1 files changed, 97 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/R600/fabs.f64.ll b/llvm/test/CodeGen/R600/fabs.f64.ll
new file mode 100644
index 00000000000..1e1bdf4f7e9
--- /dev/null
+++ b/llvm/test/CodeGen/R600/fabs.f64.ll
@@ -0,0 +1,97 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+declare i32 @llvm.r600.read.tidig.x() nounwind readnone
+
+declare double @fabs(double) readnone
+declare double @llvm.fabs.f64(double) readnone
+declare <2 x double> @llvm.fabs.v2f64(<2 x double>) readnone
+declare <4 x double> @llvm.fabs.v4f64(<4 x double>) readnone
+
+; FUNC-LABEL: @v_fabs_f64
+; SI: V_AND_B32
+; SI: S_ENDPGM
+define void @v_fabs_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
+  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
+  %tidext = sext i32 %tid to i64
+  %gep = getelementptr double addrspace(1)* %in, i64 %tidext
+  %val = load double addrspace(1)* %gep, align 8
+  %fabs = call double @llvm.fabs.f64(double %val)
+  store double %fabs, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_f64
+; SI: V_AND_B32
+; SI-NOT: V_AND_B32
+; SI: S_ENDPGM
+define void @fabs_f64(double addrspace(1)* %out, double %in) {
+  %fabs = call double @llvm.fabs.f64(double %in)
+  store double %fabs, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_v2f64
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: S_ENDPGM
+define void @fabs_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %in) {
+  %fabs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %in)
+  store <2 x double> %fabs, <2 x double> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_v4f64
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: S_ENDPGM
+define void @fabs_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %in) {
+  %fabs = call <4 x double> @llvm.fabs.v4f64(<4 x double> %in)
+  store <4 x double> %fabs, <4 x double> addrspace(1)* %out
+  ret void
+}
+
+; SI-LABEL: @fabs_fold_f64
+; SI: S_LOAD_DWORDX2 [[ABS_VALUE:s\[[0-9]+:[0-9]+\]]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
+; SI-NOT: AND
+; SI: V_MUL_F64 {{v\[[0-9]+:[0-9]+\]}}, |[[ABS_VALUE]]|, {{v\[[0-9]+:[0-9]+\]}}
+; SI: S_ENDPGM
+define void @fabs_fold_f64(double addrspace(1)* %out, double %in0, double %in1) {
+  %fabs = call double @llvm.fabs.f64(double %in0)
+  %fmul = fmul double %fabs, %in1
+  store double %fmul, double addrspace(1)* %out
+  ret void
+}
+
+; SI-LABEL: @fabs_fn_fold_f64
+; SI: S_LOAD_DWORDX2 [[ABS_VALUE:s\[[0-9]+:[0-9]+\]]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
+; SI-NOT: AND
+; SI: V_MUL_F64 {{v\[[0-9]+:[0-9]+\]}}, |[[ABS_VALUE]]|, {{v\[[0-9]+:[0-9]+\]}}
+; SI: S_ENDPGM
+define void @fabs_fn_fold_f64(double addrspace(1)* %out, double %in0, double %in1) {
+  %fabs = call double @fabs(double %in0)
+  %fmul = fmul double %fabs, %in1
+  store double %fmul, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_free_f64
+; SI: V_AND_B32
+; SI: S_ENDPGM
+define void @fabs_free_f64(double addrspace(1)* %out, i64 %in) {
+  %bc= bitcast i64 %in to double
+  %fabs = call double @llvm.fabs.f64(double %bc)
+  store double %fabs, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_fn_free_f64
+; SI: V_AND_B32
+; SI: S_ENDPGM
+define void @fabs_fn_free_f64(double addrspace(1)* %out, i64 %in) {
+  %bc= bitcast i64 %in to double
+  %fabs = call double @fabs(double %bc)
+  store double %fabs, double addrspace(1)* %out
+  ret void
+}