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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/trailing_zeros.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/trailing_zeros.rs')
| -rw-r--r-- | tests/codegen-llvm/trailing_zeros.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/codegen-llvm/trailing_zeros.rs b/tests/codegen-llvm/trailing_zeros.rs new file mode 100644 index 00000000000..0816a980992 --- /dev/null +++ b/tests/codegen-llvm/trailing_zeros.rs @@ -0,0 +1,21 @@ +//@ compile-flags: -Copt-level=3 + +#![crate_type = "lib"] + +// CHECK-LABEL: @trailing_zeros_ge +#[no_mangle] +pub fn trailing_zeros_ge(val: u32) -> bool { + // CHECK: %[[AND:.*]] = and i32 %val, 7 + // CHECK: %[[ICMP:.*]] = icmp eq i32 %[[AND]], 0 + // CHECK: ret i1 %[[ICMP]] + val.trailing_zeros() >= 3 +} + +// CHECK-LABEL: @trailing_zeros_gt +#[no_mangle] +pub fn trailing_zeros_gt(val: u64) -> bool { + // CHECK: %[[AND:.*]] = and i64 %val, 15 + // CHECK: %[[ICMP:.*]] = icmp eq i64 %[[AND]], 0 + // CHECK: ret i1 %[[ICMP]] + val.trailing_zeros() > 3 +} |