encounter/dawn-cmake
1
0
Fork 0
mirror of https://github.com/encounter/dawn-cmake.git synced 2025-12-20 18:29:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

tint/transform: Implement div / mod polyfill

Browse Source 
Prevents UB for divide-by-zero and integer overflow when dividing

Fixed: tint:1349
Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
Ben Clayton
2022-11-09 22:04:11 +00:00
committed by Dawn LUCI CQ
parent 9418152d08
commit 46ee63933c
427 changed files with 7255 additions and 3789 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
test/tint/statements/compound_assign/vector/modulo-scalar.wgsl.expected.spvasm
View File

@@ -1,7 +1,7 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 25
; Bound: 43
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
@@ -13,6 +13,9 @@
OpMemberName %S 0 "a"
OpName %v "v"
OpName %unused_entry_point "unused_entry_point"
OpName %tint_mod "tint_mod"
OpName %lhs "lhs"
OpName %rhs "rhs"
OpName %foo "foo"
OpDecorate %v_block Block
OpMemberDecorate %v_block 0 Offset 0
@@ -27,24 +30,44 @@
%v = OpVariable %_ptr_StorageBuffer_v_block StorageBuffer
%void = OpTypeVoid
%7 = OpTypeFunction %void
%11 = OpTypeFunction %v4int %v4int %int
%18 = OpConstantNull %v4int
%bool = OpTypeBool
%v4bool = OpTypeVector %bool 4
%int_n2147483648 = OpConstant %int -2147483648
%23 = OpConstantComposite %v4int %int_n2147483648 %int_n2147483648 %int_n2147483648 %int_n2147483648
%int_n1 = OpConstant %int -1
%26 = OpConstantComposite %v4int %int_n1 %int_n1 %int_n1 %int_n1
%int_1 = OpConstant %int 1
%31 = OpConstantComposite %v4int %int_1 %int_1 %int_1 %int_1
%uint = OpTypeInt 32 0
%uint_0 = OpConstant %uint 0
%_ptr_StorageBuffer_v4int = OpTypePointer StorageBuffer %v4int
%int_2 = OpConstant %int 2
%_ptr_Function_v4int = OpTypePointer Function %v4int
%23 = OpConstantNull %v4int
%unused_entry_point = OpFunction %void None %7
%10 = OpLabel
OpReturn
OpFunctionEnd
%tint_mod = OpFunction %v4int None %11
%lhs = OpFunctionParameter %v4int
%rhs = OpFunctionParameter %int
%15 = OpLabel
%16 = OpCompositeConstruct %v4int %rhs %rhs %rhs %rhs
%19 = OpIEqual %v4bool %16 %18
%24 = OpIEqual %v4bool %lhs %23
%27 = OpIEqual %v4bool %16 %26
%28 = OpLogicalAnd %v4bool %24 %27
%29 = OpLogicalOr %v4bool %19 %28
%17 = OpSelect %v4int %29 %31 %16
%32 = OpSMod %v4int %lhs %17
OpReturnValue %32
OpFunctionEnd
%foo = OpFunction %void None %7
%12 = OpLabel
%21 = OpVariable %_ptr_Function_v4int Function %23
%16 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0 %uint_0
%17 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0 %uint_0
%18 = OpLoad %v4int %17
%24 = OpCompositeConstruct %v4int %int_2 %int_2 %int_2 %int_2
%20 = OpSMod %v4int %18 %24
OpStore %16 %20
%34 = OpLabel
%39 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0 %uint_0
%40 = OpLoad %v4int %39
%35 = OpFunctionCall %v4int %tint_mod %40 %int_2
%42 = OpAccessChain %_ptr_StorageBuffer_v4int %v %uint_0 %uint_0
OpStore %42 %35
OpReturn
OpFunctionEnd