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| author | Justin Holewinski <jholewinski@nvidia.com> | 2013-07-01 12:58:58 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2013-07-01 12:58:58 +0000 |
| commit | 03e5bb2c87c05ca42f9940e14f22275b136a9883 (patch) | |
| tree | 654354664e6a60c3077ee514a2880f3bffa16069 /test/CodeGen/NVPTX | |
| parent | 8834184a463514530728a8032df165558393cd9c (diff) | |
| download | external_llvm-03e5bb2c87c05ca42f9940e14f22275b136a9883.zip external_llvm-03e5bb2c87c05ca42f9940e14f22275b136a9883.tar.gz external_llvm-03e5bb2c87c05ca42f9940e14f22275b136a9883.tar.bz2 | |
[NVPTX] Handle signext/zeroext attributes properly
Fix a case where we were incorrectly sign-extending a value when we should have been zero-extending the value.
Also change some SIGN_EXTEND to ANY_EXTEND because we really dont care and may have more opportunity to fold subexpressions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185331 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/NVPTX')
| -rw-r--r-- | test/CodeGen/NVPTX/sext-params.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/sext-params.ll b/test/CodeGen/NVPTX/sext-params.ll new file mode 100644 index 0000000..a559630 --- /dev/null +++ b/test/CodeGen/NVPTX/sext-params.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" + + +define i8 @foo(i8 signext %a) { +; CHECK: ld.param.s8 + %ret = add i8 %a, 3 + ret i8 %ret +} + +define i8 @bar(i8 zeroext %a) { +; CHECK: ld.param.u8 + %ret = add i8 %a, 3 + ret i8 %ret +} |