diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/trunc-sext.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/trunc-sext.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/trunc-sext.ll b/llvm/test/Transforms/InstCombine/trunc-sext.ll new file mode 100644 index 0000000..ac143840 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/trunc-sext.ll @@ -0,0 +1,16 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 +; RUN: opt < %s -passes=instcombine -S | FileCheck %s + +target datalayout = "i16:16:16-i32:32:32-i64:64:64-n16:32:64" + +define i32 @test(i64 %i) { +; CHECK-LABEL: define i32 @test( +; CHECK-SAME: i64 [[I:%.*]]) { +; CHECK-NEXT: [[A:%.*]] = trunc i64 [[I]] to i16 +; CHECK-NEXT: [[B:%.*]] = sext i16 [[A]] to i32 +; CHECK-NEXT: ret i32 [[B]] +; + %a = trunc i64 %i to i16 + %b = sext i16 %a to i32 + ret i32 %b +} |