added uniform_new/uniform_delete in util_ptx.m4 and __shfl intrinsics

2013-11-11 09:18:15 +01:00
parent 38947ab71b
commit e9bc2b7b54
4 changed files with 73 additions and 75 deletions
--- a/builtins/target-nvptx64.ll
+++ b/builtins/target-nvptx64.ll
@@ -60,6 +60,11 @@ define i32 @__nctaid_z()  nounwind readnone alwaysinline
 %nb = call i32 @llvm.nvvm.read.ptx.sreg.nctaid.z()
 ret i32 %nb
 }
+define i32 @__shfl_i32(i32, i32) nounwind readnone alwaysinline
+{
+  %shfl = tail call i32 asm sideeffect "shfl.idx.b32  $0, $1, $2, 0x1f;", "=r,r,r"(i32 %0, i32 %1) nounwind readnone alwaysinline
+  ret i32 %shfl
+}

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