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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
693 B
LLVM
23 lines
693 B
LLVM
; RUN: llc < %s -march=alpha
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f128:128:128"
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target triple = "alphaev6-unknown-linux-gnu"
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define i64 @__mulvdi3(i64 %a, i64 %b) nounwind {
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entry:
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%0 = sext i64 %a to i128 ; <i128> [#uses=1]
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%1 = sext i64 %b to i128 ; <i128> [#uses=1]
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%2 = mul i128 %1, %0 ; <i128> [#uses=2]
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%3 = lshr i128 %2, 64 ; <i128> [#uses=1]
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%4 = trunc i128 %3 to i64 ; <i64> [#uses=1]
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%5 = trunc i128 %2 to i64 ; <i64> [#uses=1]
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%6 = icmp eq i64 %4, 0 ; <i1> [#uses=1]
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br i1 %6, label %bb1, label %bb
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bb: ; preds = %entry
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unreachable
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bb1: ; preds = %entry
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ret i64 %5
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}
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