Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/muloti.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s %0 = type { i64, i64 } %1 = type { i128, i1 } define %0 @x(i64 %a.coerce0, i64 %a.coerce1, i64 %b.coerce0, i64 %b.coerce1) nounwind uwtable ssp { ; CHECK: x entry: %tmp16 = zext i64 %a.coerce0 to i128 %tmp11 = zext i64 %a.coerce1 to i128 %tmp12 = shl nuw i128 %tmp11, 64 %ins14 = or i128 %tmp12, %tmp16 %tmp6 = zext i64 %b.coerce0 to i128 %tmp3 = zext i64 %b.coerce1 to i128 %tmp4 = shl nuw i128 %tmp3, 64 %ins = or i128 %tmp4, %tmp6 %0 = tail call %1 @llvm.smul.with.overflow.i128(i128 %ins14, i128 %ins) ; CHECK: callq ___muloti4 %1 = extractvalue %1 %0, 0 %2 = extractvalue %1 %0, 1 br i1 %2, label %overflow, label %nooverflow overflow: ; preds = %entry tail call void @llvm.trap() unreachable nooverflow: ; preds = %entry %tmp20 = trunc i128 %1 to i64 %tmp21 = insertvalue %0 undef, i64 %tmp20, 0 %tmp22 = lshr i128 %1, 64 %tmp23 = trunc i128 %tmp22 to i64 %tmp24 = insertvalue %0 %tmp21, i64 %tmp23, 1 ret %0 %tmp24 } define %0 @foo(i64 %a.coerce0, i64 %a.coerce1, i64 %b.coerce0, i64 %b.coerce1) nounwind uwtable ssp { entry: ; CHECK: foo %retval = alloca i128, align 16 %coerce = alloca i128, align 16 %a.addr = alloca i128, align 16 %coerce1 = alloca i128, align 16 %b.addr = alloca i128, align 16 %0 = bitcast i128* %coerce to %0* %1 = getelementptr %0* %0, i32 0, i32 0 store i64 %a.coerce0, i64* %1 %2 = getelementptr %0* %0, i32 0, i32 1 store i64 %a.coerce1, i64* %2 %a = load i128* %coerce, align 16 store i128 %a, i128* %a.addr, align 16 %3 = bitcast i128* %coerce1 to %0* %4 = getelementptr %0* %3, i32 0, i32 0 store i64 %b.coerce0, i64* %4 %5 = getelementptr %0* %3, i32 0, i32 1 store i64 %b.coerce1, i64* %5 %b = load i128* %coerce1, align 16 store i128 %b, i128* %b.addr, align 16 %tmp = load i128* %a.addr, align 16 %tmp2 = load i128* %b.addr, align 16 %6 = call %1 @llvm.umul.with.overflow.i128(i128 %tmp, i128 %tmp2) ; CHECK: cmov ; CHECK: divti3 %7 = extractvalue %1 %6, 0 %8 = extractvalue %1 %6, 1 br i1 %8, label %overflow, label %nooverflow overflow: ; preds = %entry call void @llvm.trap() unreachable nooverflow: ; preds = %entry store i128 %7, i128* %retval %9 = bitcast i128* %retval to %0* %10 = load %0* %9, align 1 ret %0 %10 } declare %1 @llvm.umul.with.overflow.i128(i128, i128) nounwind readnone declare %1 @llvm.smul.with.overflow.i128(i128, i128) nounwind readnone declare void @llvm.trap() nounwind