Author: tstellar Date: Mon Mar 24 13:21:32 2014 New Revision: 204642 URL: http://llvm.org/viewvc/llvm-project?rev=204642&view=rev Log: Merging r200283:
------------------------------------------------------------------------ r200283 | michel.daenzer | 2014-01-27 19:01:16 -0800 (Mon, 27 Jan 2014) | 6 lines R600/SI: Add pattern for truncating i32 to i1 Fixes half a dozen piglit tests with radeonsi. Reviewed-by: Tom Stellard <[email protected]> Modified: llvm/branches/release_34/lib/Target/R600/SIInstructions.td llvm/branches/release_34/test/CodeGen/R600/trunc.ll Modified: llvm/branches/release_34/lib/Target/R600/SIInstructions.td URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_34/lib/Target/R600/SIInstructions.td?rev=204642&r1=204641&r2=204642&view=diff ============================================================================== --- llvm/branches/release_34/lib/Target/R600/SIInstructions.td (original) +++ llvm/branches/release_34/lib/Target/R600/SIInstructions.td Mon Mar 24 13:21:32 2014 @@ -2111,6 +2111,11 @@ def : Pat < (EXTRACT_SUBREG $a, sub0) >; +def : Pat < + (i1 (trunc i32:$a)), + (V_CMP_EQ_I32_e64 (V_AND_B32_e32 (i32 1), $a), 1) +>; + // V_ADD_I32_e32/S_ADD_I32 produces carry in VCC/SCC. For the vector // case, the sgpr-copies pass will fix this to use the vector version. def : Pat < Modified: llvm/branches/release_34/test/CodeGen/R600/trunc.ll URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_34/test/CodeGen/R600/trunc.ll?rev=204642&r1=204641&r2=204642&view=diff ============================================================================== --- llvm/branches/release_34/test/CodeGen/R600/trunc.ll (original) +++ llvm/branches/release_34/test/CodeGen/R600/trunc.ll Mon Mar 24 13:21:32 2014 @@ -28,3 +28,13 @@ define void @trunc_shl_i64(i32 addrspace store i32 %result, i32 addrspace(1)* %out, align 4 ret void } + +; SI-LABEL: @trunc_i32_to_i1: +; SI: V_AND_B32 +; SI: V_CMP_EQ_I32 +define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) { + %trunc = trunc i32 %a to i1 + %result = select i1 %trunc, i32 1, i32 0 + store i32 %result, i32 addrspace(1)* %out, align 4 + ret void +} _______________________________________________ llvm-branch-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/llvm-branch-commits
