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try_question_mark_nop.rs
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//@ compile-flags: -Copt-level=3 -Z merge-functions=disabled
//@ edition: 2021
//@ only-x86_64
//@ revisions: NINETEEN TWENTY
//@[NINETEEN] exact-llvm-major-version: 19
//@[TWENTY] min-llvm-version: 20
#![crate_type = "lib"]
#![feature(try_blocks)]
use std::ops::ControlFlow::{self, Break, Continue};
use std::ptr::NonNull;
// CHECK-LABEL: @option_nop_match_32
#[no_mangle]
pub fn option_nop_match_32(x: Option<u32>) -> Option<u32> {
// CHECK: start:
// CHECK-NEXT: [[TRUNC:%.*]] = trunc nuw i32 %0 to i1
// NINETEEN-NEXT: [[SELECT:%.*]] = select i1 [[TRUNC]], i32 %0, i32 0
// NINETEEN-NEXT: [[REG2:%.*]] = insertvalue { i32, i32 } poison, i32 [[SELECT]], 0
// NINETEEN-NEXT: [[REG3:%.*]] = insertvalue { i32, i32 } [[REG2]], i32 %1, 1
// TWENTY-NEXT: [[SELECT:%.*]] = select i1 [[TRUNC]], i32 %1, i32 undef
// TWENTY-NEXT: [[REG2:%.*]] = insertvalue { i32, i32 } poison, i32 %0, 0
// TWENTY-NEXT: [[REG3:%.*]] = insertvalue { i32, i32 } [[REG2]], i32 [[SELECT]], 1
// CHECK-NEXT: ret { i32, i32 } [[REG3]]
match x {
Some(x) => Some(x),
None => None,
}
}
// CHECK-LABEL: @option_nop_traits_32
#[no_mangle]
pub fn option_nop_traits_32(x: Option<u32>) -> Option<u32> {
// CHECK: start:
// TWENTY-NEXT: %[[IS_SOME:.+]] = trunc nuw i32 %0 to i1
// TWENTY-NEXT: select i1 %[[IS_SOME]], i32 %1, i32 undef
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: ret { i32, i32 }
try { x? }
}
// CHECK-LABEL: @result_nop_match_32
#[no_mangle]
pub fn result_nop_match_32(x: Result<i32, u32>) -> Result<i32, u32> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: ret { i32, i32 }
match x {
Ok(x) => Ok(x),
Err(x) => Err(x),
}
}
// CHECK-LABEL: @result_nop_traits_32
#[no_mangle]
pub fn result_nop_traits_32(x: Result<i32, u32>) -> Result<i32, u32> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: ret { i32, i32 }
try { x? }
}
// CHECK-LABEL: @control_flow_nop_match_32
#[no_mangle]
pub fn control_flow_nop_match_32(x: ControlFlow<i32, u32>) -> ControlFlow<i32, u32> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: ret { i32, i32 }
match x {
Continue(x) => Continue(x),
Break(x) => Break(x),
}
}
// CHECK-LABEL: @control_flow_nop_traits_32
#[no_mangle]
pub fn control_flow_nop_traits_32(x: ControlFlow<i32, u32>) -> ControlFlow<i32, u32> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: insertvalue { i32, i32 }
// CHECK-NEXT: ret { i32, i32 }
try { x? }
}
// CHECK-LABEL: @option_nop_match_64
#[no_mangle]
pub fn option_nop_match_64(x: Option<u64>) -> Option<u64> {
// CHECK: start:
// CHECK-NEXT: [[TRUNC:%.*]] = trunc nuw i64 %0 to i1
// NINETEEN-NEXT: [[SELECT:%.*]] = select i1 [[TRUNC]], i64 %0, i64 0
// NINETEEN-NEXT: [[REG2:%.*]] = insertvalue { i64, i64 } poison, i64 [[SELECT]], 0
// NINETEEN-NEXT: [[REG3:%.*]] = insertvalue { i64, i64 } [[REG2]], i64 %1, 1
// TWENTY-NEXT: [[SELECT:%.*]] = select i1 [[TRUNC]], i64 %1, i64 undef
// TWENTY-NEXT: [[REG2:%.*]] = insertvalue { i64, i64 } poison, i64 %0, 0
// TWENTY-NEXT: [[REG3:%.*]] = insertvalue { i64, i64 } [[REG2]], i64 [[SELECT]], 1
// CHECK-NEXT: ret { i64, i64 } [[REG3]]
match x {
Some(x) => Some(x),
None => None,
}
}
// CHECK-LABEL: @option_nop_traits_64
#[no_mangle]
pub fn option_nop_traits_64(x: Option<u64>) -> Option<u64> {
// CHECK: start:
// TWENTY-NEXT: %[[TRUNC:[0-9]+]] = trunc nuw i64 %0 to i1
// TWENTY-NEXT: %[[SEL:\.[0-9]+]] = select i1 %[[TRUNC]], i64 %1, i64 undef
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: ret { i64, i64 }
try { x? }
}
// CHECK-LABEL: @result_nop_match_64
#[no_mangle]
pub fn result_nop_match_64(x: Result<i64, u64>) -> Result<i64, u64> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: ret { i64, i64 }
match x {
Ok(x) => Ok(x),
Err(x) => Err(x),
}
}
// CHECK-LABEL: @result_nop_traits_64
#[no_mangle]
pub fn result_nop_traits_64(x: Result<i64, u64>) -> Result<i64, u64> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: ret { i64, i64 }
try { x? }
}
// CHECK-LABEL: @control_flow_nop_match_64
#[no_mangle]
pub fn control_flow_nop_match_64(x: ControlFlow<i64, u64>) -> ControlFlow<i64, u64> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: ret { i64, i64 }
match x {
Continue(x) => Continue(x),
Break(x) => Break(x),
}
}
// CHECK-LABEL: @control_flow_nop_traits_64
#[no_mangle]
pub fn control_flow_nop_traits_64(x: ControlFlow<i64, u64>) -> ControlFlow<i64, u64> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: insertvalue { i64, i64 }
// CHECK-NEXT: ret { i64, i64 }
try { x? }
}
// CHECK-LABEL: @result_nop_match_128
#[no_mangle]
pub fn result_nop_match_128(x: Result<i128, u128>) -> Result<i128, u128> {
// CHECK: start:
// CHECK-NEXT: store i128
// CHECK-NEXT: getelementptr inbounds {{(nuw )?}}i8
// CHECK-NEXT: store i128
// CHECK-NEXT: ret void
match x {
Ok(x) => Ok(x),
Err(x) => Err(x),
}
}
// CHECK-LABEL: @result_nop_traits_128
#[no_mangle]
pub fn result_nop_traits_128(x: Result<i128, u128>) -> Result<i128, u128> {
// CHECK: start:
// CHECK-NEXT: getelementptr inbounds {{(nuw )?}}i8
// CHECK-NEXT: store i128
// CHECK-NEXT: store i128
// CHECK-NEXT: ret void
try { x? }
}
// CHECK-LABEL: @control_flow_nop_match_128
#[no_mangle]
pub fn control_flow_nop_match_128(x: ControlFlow<i128, u128>) -> ControlFlow<i128, u128> {
// CHECK: start:
// CHECK-NEXT: store i128
// CHECK-NEXT: getelementptr inbounds {{(nuw )?}}i8
// CHECK-NEXT: store i128
// CHECK-NEXT: ret void
match x {
Continue(x) => Continue(x),
Break(x) => Break(x),
}
}
// CHECK-LABEL: @control_flow_nop_traits_128
#[no_mangle]
pub fn control_flow_nop_traits_128(x: ControlFlow<i128, u128>) -> ControlFlow<i128, u128> {
// CHECK: start:
// CHECK-NEXT: getelementptr inbounds {{(nuw )?}}i8
// CHECK-NEXT: store i128
// CHECK-NEXT: store i128
// CHECK-NEXT: ret void
try { x? }
}
// CHECK-LABEL: @result_nop_match_ptr
#[no_mangle]
pub fn result_nop_match_ptr(x: Result<usize, Box<()>>) -> Result<usize, Box<()>> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
// CHECK-NEXT: ret
match x {
Ok(x) => Ok(x),
Err(x) => Err(x),
}
}
// CHECK-LABEL: @result_nop_traits_ptr
#[no_mangle]
pub fn result_nop_traits_ptr(x: Result<u64, NonNull<()>>) -> Result<u64, NonNull<()>> {
// CHECK: start:
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
// CHECK-NEXT: insertvalue { i{{[0-9]+}}, ptr }
// CHECK-NEXT: ret
try { x? }
}