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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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5
src/test/codegen/packed.rs
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@ -54,9 +54,6 @@ pub struct PackedPair(u8, u32);
// CHECK-LABEL: @pkd_pair
#[no_mangle]
pub fn pkd_pair(pair1: &mut PackedPair, pair2: &mut PackedPair) {
// CHECK: [[V1:%[a-z0-9]+]] = load i8, i8* %{{.*}}, align 1
// CHECK: [[V2:%[a-z0-9]+]] = load i32, i32* %{{.*}}, align 1
// CHECK: store i8 [[V1]], i8* {{.*}}, align 1
// CHECK: store i32 [[V2]], i32* {{.*}}, align 1
// CHECK: call void @llvm.memcpy.{{.*}}(i8* %{{.*}}, i8* %{{.*}}, i{{[0-9]+}} 5, i32 1, i1 false)
*pair2 = *pair1;
}