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author | ed <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
commit | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (patch) | |
tree | 84360c8989c912127a383af37c4b1aa5767bd16e /test/CodeGen/PowerPC/available-externally.ll | |
parent | cf5cd875b51255602afaed29deb636b66b295671 (diff) | |
download | FreeBSD-src-72621d11de5b873f1695f391eb95f0b336c3d2d4.zip FreeBSD-src-72621d11de5b873f1695f391eb95f0b336c3d2d4.tar.gz |
Import LLVM 74788.
Diffstat (limited to 'test/CodeGen/PowerPC/available-externally.ll')
-rw-r--r-- | test/CodeGen/PowerPC/available-externally.ll | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/available-externally.ll b/test/CodeGen/PowerPC/available-externally.ll new file mode 100644 index 0000000..cfad6ea --- /dev/null +++ b/test/CodeGen/PowerPC/available-externally.ll @@ -0,0 +1,69 @@ +; RUN: llvm-as < %s | llc | grep {bl L_exact_log2.stub} +; PR4482 +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "powerpc-apple-darwin8" + +define i32 @foo(i64 %x) nounwind { +entry: + %x_addr = alloca i64 ; <i64*> [#uses=2] + %retval = alloca i32 ; <i32*> [#uses=2] + %0 = alloca i32 ; <i32*> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store i64 %x, i64* %x_addr + %1 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %2 = call i32 @exact_log2(i64 %1) nounwind ; <i32> [#uses=1] + store i32 %2, i32* %0, align 4 + %3 = load i32* %0, align 4 ; <i32> [#uses=1] + store i32 %3, i32* %retval, align 4 + br label %return + +return: ; preds = %entry + %retval1 = load i32* %retval ; <i32> [#uses=1] + ret i32 %retval1 +} + +define available_externally i32 @exact_log2(i64 %x) nounwind { +entry: + %x_addr = alloca i64 ; <i64*> [#uses=6] + %retval = alloca i32 ; <i32*> [#uses=2] + %iftmp.0 = alloca i32 ; <i32*> [#uses=3] + %0 = alloca i32 ; <i32*> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store i64 %x, i64* %x_addr + %1 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %2 = sub i64 0, %1 ; <i64> [#uses=1] + %3 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %4 = and i64 %2, %3 ; <i64> [#uses=1] + %5 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %6 = icmp ne i64 %4, %5 ; <i1> [#uses=1] + br i1 %6, label %bb2, label %bb + +bb: ; preds = %entry + %7 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %8 = icmp eq i64 %7, 0 ; <i1> [#uses=1] + br i1 %8, label %bb2, label %bb1 + +bb1: ; preds = %bb + %9 = load i64* %x_addr, align 8 ; <i64> [#uses=1] + %10 = call i64 @llvm.cttz.i64(i64 %9) ; <i64> [#uses=1] + %11 = trunc i64 %10 to i32 ; <i32> [#uses=1] + store i32 %11, i32* %iftmp.0, align 4 + br label %bb3 + +bb2: ; preds = %bb, %entry + store i32 -1, i32* %iftmp.0, align 4 + br label %bb3 + +bb3: ; preds = %bb2, %bb1 + %12 = load i32* %iftmp.0, align 4 ; <i32> [#uses=1] + store i32 %12, i32* %0, align 4 + %13 = load i32* %0, align 4 ; <i32> [#uses=1] + store i32 %13, i32* %retval, align 4 + br label %return + +return: ; preds = %bb3 + %retval4 = load i32* %retval ; <i32> [#uses=1] + ret i32 %retval4 +} + +declare i64 @llvm.cttz.i64(i64) nounwind readnone |