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Add codegen tests for changed intrinsics

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Maybe Waffle 2024-04-16 12:35:22 +00:00
parent 7ce867f552
commit c2046c4b09
3 changed files with 118 additions and 0 deletions
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56
tests/codegen/intrinsics/ctlz.rs Normal file
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//@ compile-flags: -C no-prepopulate-passes
#![crate_type = "lib"]
#![feature(core_intrinsics)]
use std::intrinsics::{ctlz, ctlz_nonzero};
// CHECK-LABEL: @ctlz_u16
#[no_mangle]
pub unsafe fn ctlz_u16(x: u16) -> u32 {
// CHECK: %[[tmp:.*]] = call i16 @llvm.ctlz.i16(i16 %x, i1 false)
// CHECK: zext i16 %[[tmp]] to i32
ctlz(x)
}
// CHECK-LABEL: @ctlz_nzu16
#[no_mangle]
pub unsafe fn ctlz_nzu16(x: u16) -> u32 {
// CHECK: %[[tmp:.*]] = call i16 @llvm.ctlz.i16(i16 %x, i1 true)
// CHECK: zext i16 %[[tmp]] to i32
ctlz_nonzero(x)
}
// CHECK-LABEL: @ctlz_u32
#[no_mangle]
pub unsafe fn ctlz_u32(x: u32) -> u32 {
// CHECK: call i32 @llvm.ctlz.i32(i32 %x, i1 false)
// CHECK-NOT: zext
// CHECK-NOT: trunc
ctlz(x)
}
// CHECK-LABEL: @ctlz_nzu32
#[no_mangle]
pub unsafe fn ctlz_nzu32(x: u32) -> u32 {
// CHECK: call i32 @llvm.ctlz.i32(i32 %x, i1 true)
// CHECK-NOT: zext
// CHECK-NOT: trunc
ctlz_nonzero(x)
}
// CHECK-LABEL: @ctlz_u64
#[no_mangle]
pub unsafe fn ctlz_u64(x: u64) -> u32 {
// CHECK: %[[tmp:.*]] = call i64 @llvm.ctlz.i64(i64 %x, i1 false)
// CHECK: trunc i64 %[[tmp]] to i32
ctlz(x)
}
// CHECK-LABEL: @ctlz_nzu64
#[no_mangle]
pub unsafe fn ctlz_nzu64(x: u64) -> u32 {
// CHECK: %[[tmp:.*]] = call i64 @llvm.ctlz.i64(i64 %x, i1 true)
// CHECK: trunc i64 %[[tmp]] to i32
ctlz_nonzero(x)
}

31
tests/codegen/intrinsics/ctpop.rs Normal file
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//@ compile-flags: -C no-prepopulate-passes
#![crate_type = "lib"]
#![feature(core_intrinsics)]
use std::intrinsics::ctpop;
// CHECK-LABEL: @ctpop_u16
#[no_mangle]
pub unsafe fn ctpop_u16(x: u16) -> u32 {
// CHECK: %[[tmp:.*]] = call i16 @llvm.ctpop.i16(i16 %x)
// CHECK: zext i16 %[[tmp]] to i32
ctpop(x)
}
// CHECK-LABEL: @ctpop_u32
#[no_mangle]
pub unsafe fn ctpop_u32(x: u32) -> u32 {
// CHECK: call i32 @llvm.ctpop.i32(i32 %x)
// CHECK-NOT: zext
// CHECK-NOT: trunc
ctpop(x)
}
// CHECK-LABEL: @ctpop_u64
#[no_mangle]
pub unsafe fn ctpop_u64(x: u64) -> u32 {
// CHECK: %[[tmp:.*]] = call i64 @llvm.ctpop.i64(i64 %x)
// CHECK: trunc i64 %[[tmp]] to i32
ctpop(x)
}

31
tests/codegen/intrinsics/rotate_left.rs Normal file
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//@ compile-flags: -C no-prepopulate-passes
#![crate_type = "lib"]
#![feature(core_intrinsics)]
use std::intrinsics::rotate_left;
// CHECK-LABEL: @rotate_left_u16
#[no_mangle]
pub unsafe fn rotate_left_u16(x: u16, shift: u32) -> u16 {
// CHECK: %[[tmp:.*]] = trunc i32 %shift to i16
// CHECK: call i16 @llvm.fshl.i16(i16 %x, i16 %x, i16 %[[tmp]])
rotate_left(x, shift)
}
// CHECK-LABEL: @rotate_left_u32
#[no_mangle]
pub unsafe fn rotate_left_u32(x: u32, shift: u32) -> u32 {
// CHECK-NOT: trunc
// CHECK-NOT: zext
// CHECK: call i32 @llvm.fshl.i32(i32 %x, i32 %x, i32 %shift)
rotate_left(x, shift)
}
// CHECK-LABEL: @rotate_left_u64
#[no_mangle]
pub unsafe fn rotate_left_u64(x: u64, shift: u32) -> u64 {
// CHECK: %[[tmp:.*]] = zext i32 %shift to i64
// CHECK: call i64 @llvm.fshl.i64(i64 %x, i64 %x, i64 %[[tmp]])
rotate_left(x, shift)
}