RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-26 04:34:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[WebAssembly] Support inline asm constraints of type i16 and similar.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254861 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2015-12-05 20:03:44 +00:00
parent 26a006a71e
commit b975ecb43f
2 changed files with 23 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
View File

@ -228,10 +228,13 @@ WebAssemblyTargetLowering::getRegForInlineAsmConstraint(
if (Constraint.size() == 1) {
switch (Constraint[0]) {
case 'r':
if (VT == MVT::i32)
return std::make_pair(0U, &WebAssembly::I32RegClass);
if (VT == MVT::i64)
return std::make_pair(0U, &WebAssembly::I64RegClass);
assert(VT != MVT::iPTR && "Pointer MVT not expected here");
if (VT.isInteger() && !VT.isVector()) {
if (VT.getSizeInBits() <= 32)
return std::make_pair(0U, &WebAssembly::I32RegClass);
if (VT.getSizeInBits() <= 64)
return std::make_pair(0U, &WebAssembly::I64RegClass);
}
break;
default:
break;

16
test/CodeGen/WebAssembly/inline-asm.ll
View File

@ -56,6 +56,22 @@ entry:
ret i64 %0
}
; CHECK-LABEL: X_i16:
; CHECK: foo $1{{$}}
; CHECK: i32.store16 $discard=, 0($0), $1{{$}}
define void @X_i16(i16 * %t) {
call void asm sideeffect "foo $0", "=*X,~{dirflag},~{fpsr},~{flags},~{memory}"(i16* %t)
ret void
}
; CHECK-LABEL: X_ptr:
; CHECK: foo $1{{$}}
; CHECK: i32.store $discard=, 0($0), $1
define void @X_ptr(i16 ** %t) {
call void asm sideeffect "foo $0", "=*X,~{dirflag},~{fpsr},~{flags},~{memory}"(i16** %t)
ret void
}
attributes #0 = { nounwind }
!0 = !{i32 47}