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Prepare mir::Constant for ty::Const only supporting valtrees

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This commit is contained in:
Oli Scherer
2021-03-08 16:18:03 +00:00
parent 3ecde6f5db
commit 3127a9c60f
38 changed files with 369 additions and 153 deletions
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6
compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs
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@@ -53,7 +53,7 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
};
llvm.x86.sse2.cmp.ps | llvm.x86.sse2.cmp.pd, (c x, c y, o kind) {
let kind_const = crate::constant::mir_operand_get_const_val(fx, kind).expect("llvm.x86.sse2.cmp.* kind not const");
let flt_cc = match kind_const.val.try_to_bits(Size::from_bytes(1)).unwrap_or_else(|| panic!("kind not scalar: {:?}", kind_const)) {
let flt_cc = match kind_const.try_to_bits(Size::from_bytes(1)).unwrap_or_else(|| panic!("kind not scalar: {:?}", kind_const)) {
0 => FloatCC::Equal,
1 => FloatCC::LessThan,
2 => FloatCC::LessThanOrEqual,
@@ -84,7 +84,7 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
llvm.x86.sse2.psrli.d, (c a, o imm8) {
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8).expect("llvm.x86.sse2.psrli.d imm8 not const");
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, res_lane_layout, lane| {
let res_lane = match imm8.val.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
let res_lane = match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
imm8 if imm8 < 32 => fx.bcx.ins().ushr_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
};
@@ -94,7 +94,7 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
llvm.x86.sse2.pslli.d, (c a, o imm8) {
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8).expect("llvm.x86.sse2.psrli.d imm8 not const");
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, res_lane_layout, lane| {
let res_lane = match imm8.val.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
let res_lane = match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
imm8 if imm8 < 32 => fx.bcx.ins().ishl_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
};