diff options
Diffstat (limited to 'test/CodeGen/X86/x86-64-extend-shift.ll')
| -rw-r--r-- | test/CodeGen/X86/x86-64-extend-shift.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/X86/x86-64-extend-shift.ll b/test/CodeGen/X86/x86-64-extend-shift.ll new file mode 100644 index 0000000000..6852785fd6 --- /dev/null +++ b/test/CodeGen/X86/x86-64-extend-shift.ll @@ -0,0 +1,10 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s +; Formerly there were two shifts. + +define i64 @baz(i32 %A) nounwind { +; CHECK: shlq $49, %rax + %tmp1 = shl i32 %A, 17 + %tmp2 = zext i32 %tmp1 to i64 + %tmp3 = shl i64 %tmp2, 32 + ret i64 %tmp3 +} |