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rustc: encode scalar pairs in layout ABI.

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This commit is contained in:
Eduard-Mihai Burtescu 2017-10-06 10:25:35 +03:00
parent f1b7cd9925
commit cdeb4b0d25
15 changed files with 267 additions and 138 deletions
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4
src/test/codegen/refs.rs
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@ -24,9 +24,9 @@ pub fn helper(_: usize) {
pub fn ref_dst(s: &[u8]) {
// We used to generate an extra alloca and memcpy to ref the dst, so check that we copy
// directly to the alloca for "x"
// CHECK: [[X0:%[0-9]+]] = bitcast { [0 x i8], [0 x i8]*, [0 x i8], [[USIZE]], [0 x i8] }* %x to [0 x i8]**
// CHECK: [[X0:%[0-9]+]] = bitcast { [0 x i8]*, [[USIZE]] }* %x to [0 x i8]**
// CHECK: store [0 x i8]* %s.0, [0 x i8]** [[X0]]
// CHECK: [[X1:%[0-9]+]] = getelementptr {{.*}} { [0 x i8], [0 x i8]*, [0 x i8], [[USIZE]], [0 x i8] }* %x, i32 0, i32 3
// CHECK: [[X1:%[0-9]+]] = getelementptr {{.*}} { [0 x i8]*, [[USIZE]] }* %x, i32 0, i32 1
// CHECK: store [[USIZE]] %s.1, [[USIZE]]* [[X1]]
let x = &*s;