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R600/SI: Fix bitcast between v2i32 and f64

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This is the same problem fixed in r210664 for more types.

The test passes without this fix. For some reason
I'm only hitting this when creating selects lowered
to v2i32 selects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210692 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-06-11 19:31:13 +00:00
parent 7acd886ecf
commit 7fa80b45eb
2 changed files with 27 additions and 5 deletions
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2
lib/Target/R600/SIInstructions.td
View File

@ -1973,6 +1973,8 @@ def : BitConvert <v2i32, i64, VReg_64>;
def : BitConvert <i64, v2i32, VReg_64>;
def : BitConvert <v2f32, i64, VReg_64>;
def : BitConvert <i64, v2f32, VReg_64>;
def : BitConvert <v2i32, f64, VReg_64>;
def : BitConvert <f64, v2i32, VReg_64>;
def : BitConvert <v4f32, v4i32, VReg_128>;
def : BitConvert <v4i32, v4f32, VReg_128>;

30
test/CodeGen/R600/bitcast.ll
View File

@ -1,9 +1,11 @@
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; This test just checks that the compiler doesn't crash.
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
; FUNC-LABEL: @v32i8_to_v8i32
; SI: S_ENDPGM
define void @v32i8_to_v8i32(<32 x i8> addrspace(2)* inreg) #0 {
entry:
%1 = load <32 x i8> addrspace(2)* %0
@ -15,10 +17,6 @@ entry:
ret void
}
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
attributes #0 = { "ShaderType"="0" }
; FUNC-LABEL: @i8ptr_v16i8ptr
; SI: S_ENDPGM
define void @i8ptr_v16i8ptr(<16 x i8> addrspace(1)* %out, i8 addrspace(1)* %in) {
@ -56,3 +54,25 @@ define void @i32_to_v4i8(<4 x i8> addrspace(1)* %out, i32 addrspace(1)* %in) nou
store <4 x i8> %bc, <4 x i8> addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @bitcast_v2i32_to_f64
; SI: S_ENDPGM
define void @bitcast_v2i32_to_f64(double addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
%val = load <2 x i32> addrspace(1)* %in, align 8
%add = add <2 x i32> %val, <i32 4, i32 9>
%bc = bitcast <2 x i32> %add to double
store double %bc, double addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @bitcast_f64_to_v2i32
; SI: S_ENDPGM
define void @bitcast_f64_to_v2i32(<2 x i32> addrspace(1)* %out, double addrspace(1)* %in) {
%val = load double addrspace(1)* %in, align 8
%add = fadd double %val, 4.0
%bc = bitcast double %add to <2 x i32>
store <2 x i32> %bc, <2 x i32> addrspace(1)* %out, align 8
ret void
}
attributes #0 = { "ShaderType"="0" }