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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/issue-75525-bounds-checks.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issue-75525-bounds-checks.rs')
-rw-r--r-- | tests/codegen/issue-75525-bounds-checks.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/codegen/issue-75525-bounds-checks.rs b/tests/codegen/issue-75525-bounds-checks.rs new file mode 100644 index 000000000..2d363d8f7 --- /dev/null +++ b/tests/codegen/issue-75525-bounds-checks.rs @@ -0,0 +1,26 @@ +// Regression test for #75525, verifies that no bounds checks are generated. + +// compile-flags: -O + +#![crate_type = "lib"] + +// CHECK-LABEL: @f0 +// CHECK-NOT: panic +#[no_mangle] +pub fn f0(idx: usize, buf: &[u8; 10]) -> u8 { + if idx < 8 { buf[idx + 1] } else { 0 } +} + +// CHECK-LABEL: @f1 +// CHECK-NOT: panic +#[no_mangle] +pub fn f1(idx: usize, buf: &[u8; 10]) -> u8 { + if idx > 5 && idx < 8 { buf[idx - 1] } else { 0 } +} + +// CHECK-LABEL: @f2 +// CHECK-NOT: panic +#[no_mangle] +pub fn f2(idx: usize, buf: &[u8; 10]) -> u8 { + if idx > 5 && idx < 8 { buf[idx] } else { 0 } +} |