Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 0 additions & 35 deletions tests/codegen/bool-select-unpredictable.rs

This file was deleted.

39 changes: 38 additions & 1 deletion tests/codegen/intrinsics/select_unpredictable.rs
Original file line number Diff line number Diff line change
@@ -1,8 +1,11 @@
//@ compile-flags: -O
//@ compile-flags: -O -Zmerge-functions=disabled

#![feature(core_intrinsics)]
#![feature(select_unpredictable)]
#![crate_type = "lib"]

/* Test the intrinsic */

#[no_mangle]
pub fn test_int(p: bool, a: u64, b: u64) -> u64 {
// CHECK-LABEL: define{{.*}} @test_int
Expand All @@ -28,8 +31,42 @@ pub fn test_struct(p: bool, a: Large, b: Large) -> Large {
core::intrinsics::select_unpredictable(p, a, b)
}

// ZSTs should not need a `select` expression.
#[no_mangle]
pub fn test_zst(p: bool, a: (), b: ()) -> () {
// CHECK-LABEL: define{{.*}} @test_zst
// CHECK-NEXT: start:
// CHECK-NEXT: ret void
core::intrinsics::select_unpredictable(p, a, b)
}

/* Test the user-facing version */

#[no_mangle]
pub fn test_int2(p: bool, a: u64, b: u64) -> u64 {
// CHECK-LABEL: define{{.*}} @test_int2
// CHECK: select i1 %p, i64 %a, i64 %b, !unpredictable
p.select_unpredictable(a, b)
}

#[no_mangle]
pub fn test_pair2(p: bool, a: (u64, u64), b: (u64, u64)) -> (u64, u64) {
// CHECK-LABEL: define{{.*}} @test_pair2
// CHECK: select i1 %p, {{.*}}, !unpredictable
p.select_unpredictable(a, b)
}

#[no_mangle]
pub fn test_struct2(p: bool, a: Large, b: Large) -> Large {
// CHECK-LABEL: define{{.*}} @test_struct2
// CHECK: select i1 %p, {{.*}}, !unpredictable
p.select_unpredictable(a, b)
}

#[no_mangle]
pub fn test_zst2(p: bool, a: (), b: ()) -> () {
// CHECK-LABEL: define{{.*}} @test_zst2
// CHECK-NEXT: start:
// CHECK-NEXT: ret void
p.select_unpredictable(a, b)
}
Loading