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Testcase for r105741.

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llvm-svn: 105750
This commit is contained in:
Bill Wendling 2010-06-09 20:30:22 +00:00
parent 9611ad3317
commit 0e4d704f16
1 changed files with 53 additions and 0 deletions
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test/CodeGen/X86/zext-sext.ll Normal file
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; RUN: llc < %s -march=x86-64 | FileCheck %s
; <rdar://problem/8006248>
@llvm.used = appending global [1 x i8*] [i8* bitcast (void ([40 x i16]*, i32*, i16**, i64*)* @func to i8*)], section "llvm.metadata"
define void @func([40 x i16]* %a, i32* %b, i16** %c, i64* %d) nounwind {
entry:
%tmp103 = getelementptr inbounds [40 x i16]* %a, i64 0, i64 4
%tmp104 = load i16* %tmp103, align 2
%tmp105 = sext i16 %tmp104 to i32
%tmp106 = load i32* %b, align 4
%tmp107 = sub nsw i32 4, %tmp106
%tmp108 = load i16** %c, align 8
%tmp109 = sext i32 %tmp107 to i64
%tmp110 = getelementptr inbounds i16* %tmp108, i64 %tmp109
%tmp111 = load i16* %tmp110, align 1
%tmp112 = sext i16 %tmp111 to i32
%tmp = mul i32 355244649, %tmp112
%tmp1 = mul i32 %tmp, %tmp105
%tmp2 = add i32 %tmp1, 2138875574
%tmp3 = add i32 %tmp2, 1546991088
%tmp4 = mul i32 %tmp3, 2122487257
%tmp5 = icmp sge i32 %tmp4, 2138875574
%tmp6 = icmp slt i32 %tmp4, -8608074
%tmp7 = or i1 %tmp5, %tmp6
%outSign = select i1 %tmp7, i32 1, i32 -1
%tmp8 = icmp slt i32 %tmp4, 0
%tmp9 = icmp eq i32 %outSign, 1
%tmp10 = and i1 %tmp8, %tmp9
%tmp11 = sext i32 %tmp4 to i64
%tmp12 = add i64 %tmp11, 5089792279245435153
; CHECK: addl $2138875574, %e[[REGISTER_zext:[a-z]+]]
; CHECK-NEXT: movslq %e[[REGISTER_zext]], [[REGISTER_tmp:%[a-z]+]]
; CHECK: movq [[REGISTER_tmp]], [[REGISTER_sext:%[a-z]+]]
; CHECK-NEXT: subq %r[[REGISTER_zext]], [[REGISTER_sext]]
%tmp13 = sub i64 %tmp12, 2138875574
%tmp14 = zext i32 %tmp4 to i64
%tmp15 = sub i64 %tmp11, %tmp14
%tmp16 = select i1 %tmp10, i64 %tmp15, i64 0
%tmp17 = sub i64 %tmp13, %tmp16
%tmp18 = mul i64 %tmp17, 4540133155013554595
%tmp19 = sub i64 %tmp18, 5386586244038704851
%tmp20 = add i64 %tmp19, -1368057358110947217
%tmp21 = mul i64 %tmp20, -422037402840850817
%tmp115 = load i64* %d, align 8
%alphaX = mul i64 468858157810230901, %tmp21
%alphaXbetaY = add i64 %alphaX, %tmp115
%transformed = add i64 %alphaXbetaY, 9040145182981852475
store i64 %transformed, i64* %d, align 8
ret void
}