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| author | Stuart Hastings <stuart@apple.com> | 2011-05-20 19:04:40 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2011-05-20 19:04:40 +0000 |
| commit | 0e29ed081b24359978916b997e91e3e1e2293915 (patch) | |
| tree | 9b66112216898acc26dbf280a06985a3bb5ca23e /test/CodeGen/X86/div8.ll | |
| parent | 17a1e8775119db75ece41e041eeb6480793696ff (diff) | |
Re-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends.
rdar://problem/8614450
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131746 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/div8.ll')
| -rw-r--r-- | test/CodeGen/X86/div8.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/div8.ll b/test/CodeGen/X86/div8.ll new file mode 100644 index 0000000000..0825f79e32 --- /dev/null +++ b/test/CodeGen/X86/div8.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s | FileCheck %s +; ModuleID = '8div.c' +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-macosx10.6.6" + +define signext i8 @test_div(i8 %dividend, i8 %divisor) nounwind ssp { +entry: + %dividend.addr = alloca i8, align 2 + %divisor.addr = alloca i8, align 1 + %quotient = alloca i8, align 1 + store i8 %dividend, i8* %dividend.addr, align 2 + store i8 %divisor, i8* %divisor.addr, align 1 + %tmp = load i8* %dividend.addr, align 2 + %tmp1 = load i8* %divisor.addr, align 1 +; Insist on i8->i32 zero extension, even though divb demands only i16: +; CHECK: movzbl {{.*}}%eax +; CHECK: divb + %div = udiv i8 %tmp, %tmp1 + store i8 %div, i8* %quotient, align 1 + %tmp4 = load i8* %quotient, align 1 + ret i8 %tmp4 +} |