[NVPTX] Remove ftz variants of cvt with rounding mode

These do not exist in ptxas, it refuses to compile them.

Differential Revision: https://reviews.llvm.org/D51042

1 files changed, 6 insertions, 36 deletions

diff --git a/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td b/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
index 443b077184c..f0fbe5033fa 100644
--- a/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
+++ b/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
@@ -2625,32 +2625,20 @@ def : Pat<(f64 (uint_to_fp Int64Regs:$a)),
 def : Pat<(i1 (fp_to_sint Float16Regs:$a)),
           (SETP_b16ri (BITCONVERT_16_F2I Float16Regs:$a), 0, CmpEQ)>;
 def : Pat<(i16 (fp_to_sint Float16Regs:$a)),
-          (CVT_s16_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i16 (fp_to_sint Float16Regs:$a)),
           (CVT_s16_f16 Float16Regs:$a, CvtRZI)>;
 def : Pat<(i32 (fp_to_sint Float16Regs:$a)),
-          (CVT_s32_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i32 (fp_to_sint Float16Regs:$a)),
           (CVT_s32_f16 Float16Regs:$a, CvtRZI)>;
 def : Pat<(i64 (fp_to_sint Float16Regs:$a)),
-          (CVT_s64_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i64 (fp_to_sint Float16Regs:$a)),
           (CVT_s64_f16 Float16Regs:$a, CvtRZI)>;
 
 // f16 -> uint
 def : Pat<(i1 (fp_to_uint Float16Regs:$a)),
           (SETP_b16ri (BITCONVERT_16_F2I Float16Regs:$a), 0, CmpEQ)>;
 def : Pat<(i16 (fp_to_uint Float16Regs:$a)),
-          (CVT_u16_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i16 (fp_to_uint Float16Regs:$a)),
           (CVT_u16_f16 Float16Regs:$a, CvtRZI)>;
 def : Pat<(i32 (fp_to_uint Float16Regs:$a)),
-          (CVT_u32_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i32 (fp_to_uint Float16Regs:$a)),
           (CVT_u32_f16 Float16Regs:$a, CvtRZI)>;
 def : Pat<(i64 (fp_to_uint Float16Regs:$a)),
-          (CVT_u64_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(i64 (fp_to_uint Float16Regs:$a)),
           (CVT_u64_f16 Float16Regs:$a, CvtRZI)>;
 
 // f32 -> sint
@@ -2948,14 +2936,10 @@ def : Pat<(i32 (zext (ctpop Int16Regs:$a))),
 
 // fpround f32 -> f16
 def : Pat<(f16 (fpround Float32Regs:$a)),
-          (CVT_f16_f32 Float32Regs:$a, CvtRN_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(f16 (fpround Float32Regs:$a)),
           (CVT_f16_f32 Float32Regs:$a, CvtRN)>;
 
 // fpround f64 -> f16
 def : Pat<(f16 (fpround Float64Regs:$a)),
-          (CVT_f16_f64 Float64Regs:$a, CvtRN_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(f16 (fpround Float64Regs:$a)),
           (CVT_f16_f64 Float64Regs:$a, CvtRN)>;
 
 // fpround f64 -> f32
@@ -2972,8 +2956,6 @@ def : Pat<(f32 (fpextend Float16Regs:$a)),
 
 // fpextend f16 -> f64
 def : Pat<(f64 (fpextend Float16Regs:$a)),
-          (CVT_f64_f16 Float16Regs:$a, CvtNONE_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(f64 (fpextend Float16Regs:$a)),
           (CVT_f64_f16 Float16Regs:$a, CvtNONE)>;
 
 // fpextend f32 -> f64
@@ -2988,9 +2970,7 @@ def retflag : SDNode<"NVPTXISD::RET_FLAG", SDTNone,
 // fceil, ffloor, fround, ftrunc.
 
 def : Pat<(fceil Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRPI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(fceil Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRPI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRPI)>;
 def : Pat<(fceil Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRPI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(fceil Float32Regs:$a),
@@ -2999,9 +2979,7 @@ def : Pat<(fceil Float64Regs:$a),
           (CVT_f64_f64 Float64Regs:$a, CvtRPI)>;
 
 def : Pat<(ffloor Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRMI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(ffloor Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRMI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRMI)>;
 def : Pat<(ffloor Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRMI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(ffloor Float32Regs:$a),
@@ -3009,10 +2987,8 @@ def : Pat<(ffloor Float32Regs:$a),
 def : Pat<(ffloor Float64Regs:$a),
           (CVT_f64_f64 Float64Regs:$a, CvtRMI)>;
 
-def : Pat<(fround Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(f16 (fround Float16Regs:$a)),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>;
 def : Pat<(fround Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(f32 (fround Float32Regs:$a)),
@@ -3021,9 +2997,7 @@ def : Pat<(f64 (fround Float64Regs:$a)),
           (CVT_f64_f64 Float64Regs:$a, CvtRNI)>;
 
 def : Pat<(ftrunc Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(ftrunc Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRZI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRZI)>;
 def : Pat<(ftrunc Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRZI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(ftrunc Float32Regs:$a),
@@ -3036,9 +3010,7 @@ def : Pat<(ftrunc Float64Regs:$a),
 // matches what CUDA's "libm" does.
 
 def : Pat<(fnearbyint Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(fnearbyint Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>;
 def : Pat<(fnearbyint Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(fnearbyint Float32Regs:$a),
@@ -3047,9 +3019,7 @@ def : Pat<(fnearbyint Float64Regs:$a),
           (CVT_f64_f64 Float64Regs:$a, CvtRNI)>;
 
 def : Pat<(frint Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
-def : Pat<(frint Float16Regs:$a),
-          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>, Requires<[doNoF32FTZ]>;
+          (CVT_f16_f16 Float16Regs:$a, CvtRNI)>;
 def : Pat<(frint Float32Regs:$a),
           (CVT_f32_f32 Float32Regs:$a, CvtRNI_FTZ)>, Requires<[doF32FTZ]>;
 def : Pat<(frint Float32Regs:$a),