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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 | 91f1d247363ee1fbc567a0dbea94bc6bfd76db02 (patch) | |
| tree | 11c8acdbfe7f51b6059a19f322ec335036e51a13 /llvm/test/CodeGen/X86/div8.ll | |
| parent | 43407fe6331cff494f3c1908f9c9efd591b43289 (diff) | |
| download | bcm5719-llvm-91f1d247363ee1fbc567a0dbea94bc6bfd76db02.tar.gz bcm5719-llvm-91f1d247363ee1fbc567a0dbea94bc6bfd76db02.zip | |
Re-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends.
rdar://problem/8614450
llvm-svn: 131746
Diffstat (limited to 'llvm/test/CodeGen/X86/div8.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/div8.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/div8.ll b/llvm/test/CodeGen/X86/div8.ll new file mode 100644 index 00000000000..0825f79e324 --- /dev/null +++ b/llvm/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 +} |
