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R600: Fix i64 to i32 trunc on SI 

llvm-svn: 190091
This commit is contained in:
Matt Arsenault 2013-09-05 19:41:10 +00:00
parent d21ac19bda
commit 6f24379974
2 changed files with 20 additions and 0 deletions
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1
llvm/lib/Target/R600/SIISelLowering.cpp
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@ -90,6 +90,7 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
setTruncStoreAction(MVT::i64, MVT::i32, Expand);
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);

19
llvm/test/CodeGen/R600/trunc.ll Normal file
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@ -0,0 +1,19 @@
; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI %s
; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
; SI-LABEL: @trunc_i64_to_i32_store
; SI: S_LOAD_DWORD SGPR0, SGPR0_SGPR1, 11
; SI: V_MOV_B32_e32 VGPR0, SGPR0
; SI: BUFFER_STORE_DWORD VGPR0
; EG-LABEL: @trunc_i64_to_i32_store
; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
; EG: LSHR
; EG-NEXT: 2(
%result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}