[llvm] r227117 - [NVPTX] Handle floating-point conversion patterns that are not explicitly ordered or unordered

Justin Holewinski jholewinski at nvidia.com
Mon Jan 26 11:11:20 PST 2015


Author: jholewinski
Date: Mon Jan 26 13:11:20 2015
New Revision: 227117

URL: http://llvm.org/viewvc/llvm-project?rev=227117&view=rev
Log:
[NVPTX] Handle floating-point conversion patterns that are not explicitly ordered or unordered

Fixes PR22322

Added:
    llvm/trunk/test/CodeGen/NVPTX/bug22322.ll
Modified:
    llvm/trunk/lib/Target/NVPTX/NVPTXInstrInfo.td

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXInstrInfo.td?rev=227117&r1=227116&r2=227117&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXInstrInfo.td (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXInstrInfo.td Mon Jan 26 13:11:20 2015
@@ -1659,12 +1659,12 @@ multiclass FSET_FORMAT<PatFrag OpNode, P
             (SET_f64ir fpimm:$a, Float64Regs:$b, Mode)>;
 }
 
-defm FSetGT : FSET_FORMAT<setogt, CmpGT, CmpGT_FTZ>;
-defm FSetLT : FSET_FORMAT<setolt, CmpLT, CmpLT_FTZ>;
-defm FSetGE : FSET_FORMAT<setoge, CmpGE, CmpGE_FTZ>;
-defm FSetLE : FSET_FORMAT<setole, CmpLE, CmpLE_FTZ>;
-defm FSetEQ : FSET_FORMAT<setoeq, CmpEQ, CmpEQ_FTZ>;
-defm FSetNE : FSET_FORMAT<setone, CmpNE, CmpNE_FTZ>;
+defm FSetOGT : FSET_FORMAT<setogt, CmpGT, CmpGT_FTZ>;
+defm FSetOLT : FSET_FORMAT<setolt, CmpLT, CmpLT_FTZ>;
+defm FSetOGE : FSET_FORMAT<setoge, CmpGE, CmpGE_FTZ>;
+defm FSetOLE : FSET_FORMAT<setole, CmpLE, CmpLE_FTZ>;
+defm FSetOEQ : FSET_FORMAT<setoeq, CmpEQ, CmpEQ_FTZ>;
+defm FSetONE : FSET_FORMAT<setone, CmpNE, CmpNE_FTZ>;
 
 defm FSetUGT : FSET_FORMAT<setugt, CmpGTU, CmpGTU_FTZ>;
 defm FSetULT : FSET_FORMAT<setult, CmpLTU, CmpLTU_FTZ>;
@@ -1673,6 +1673,13 @@ defm FSetULE : FSET_FORMAT<setule, CmpLE
 defm FSetUEQ : FSET_FORMAT<setueq, CmpEQU, CmpEQU_FTZ>;
 defm FSetUNE : FSET_FORMAT<setune, CmpNEU, CmpNEU_FTZ>;
 
+defm FSetGT : FSET_FORMAT<setgt, CmpGT, CmpGT_FTZ>;
+defm FSetLT : FSET_FORMAT<setlt, CmpLT, CmpLT_FTZ>;
+defm FSetGE : FSET_FORMAT<setge, CmpGE, CmpGE_FTZ>;
+defm FSetLE : FSET_FORMAT<setle, CmpLE, CmpLE_FTZ>;
+defm FSetEQ : FSET_FORMAT<seteq, CmpEQ, CmpEQ_FTZ>;
+defm FSetNE : FSET_FORMAT<setne, CmpNE, CmpNE_FTZ>;
+
 defm FSetNUM : FSET_FORMAT<seto, CmpNUM, CmpNUM_FTZ>;
 defm FSetNAN : FSET_FORMAT<setuo, CmpNAN, CmpNAN_FTZ>;
 

Added: llvm/trunk/test/CodeGen/NVPTX/bug22322.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/NVPTX/bug22322.ll?rev=227117&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/NVPTX/bug22322.ll (added)
+++ llvm/trunk/test/CodeGen/NVPTX/bug22322.ll Mon Jan 26 13:11:20 2015
@@ -0,0 +1,62 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-nvidia-cuda"
+
+%class.float3 = type { float, float, float }
+
+; Function Attrs: nounwind
+; CHECK-LABEL: some_kernel
+define void @some_kernel(%class.float3* nocapture %dst) #0 {
+_ZL11compute_vecRK6float3jb.exit:
+  %ret_vec.sroa.8.i = alloca float, align 4
+  %0 = tail call i32 @llvm.ptx.read.ctaid.x()
+  %1 = tail call i32 @llvm.ptx.read.ntid.x()
+  %2 = mul nsw i32 %1, %0
+  %3 = tail call i32 @llvm.ptx.read.tid.x()
+  %4 = add nsw i32 %2, %3
+  %5 = zext i32 %4 to i64
+  %6 = bitcast float* %ret_vec.sroa.8.i to i8*
+  call void @llvm.lifetime.start(i64 4, i8* %6)
+  %7 = and i32 %4, 15
+  %8 = icmp eq i32 %7, 0
+  %9 = select i1 %8, float 0.000000e+00, float -1.000000e+00
+  store float %9, float* %ret_vec.sroa.8.i, align 4
+; CHECK: setp.lt.f32     %p{{[0-9]+}}, %f{{[0-9]+}}, 0f00000000
+  %10 = fcmp olt float %9, 0.000000e+00
+  %ret_vec.sroa.8.i.val = load float* %ret_vec.sroa.8.i, align 4
+  %11 = select i1 %10, float 0.000000e+00, float %ret_vec.sroa.8.i.val
+  call void @llvm.lifetime.end(i64 4, i8* %6)
+  %12 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 0
+  store float 0.000000e+00, float* %12, align 4
+  %13 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 1
+  store float %11, float* %13, align 4
+  %14 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 2
+  store float 0.000000e+00, float* %14, align 4
+  ret void
+}
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.ctaid.x() #1
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.ntid.x() #1
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.tid.x() #1
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.start(i64, i8* nocapture) #2
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.end(i64, i8* nocapture) #2
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind }
+
+!nvvm.annotations = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{void (%class.float3*)* @some_kernel, !"kernel", i32 1}
+!1 = !{!"clang version 3.5.1 (tags/RELEASE_351/final)"}





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