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24 lines
967 B
LLVM
24 lines
967 B
LLVM
; RUN: llc -march=x86-64 < %s | FileCheck %s
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; LSR should compute the correct starting values for this loop. Note that
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; it's not necessarily LSR's job to compute loop exit expressions; that's
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; indvars' job.
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; CHECK: movl $12
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; CHECK: movl $42
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define i32 @real_symmetric_eigen(i32 %n) nounwind {
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while.body127: ; preds = %while.cond122
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br label %while.cond141
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while.cond141: ; preds = %while.cond141, %while.body127
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%0 = phi i32 [ 7, %while.body127 ], [ %indvar.next67, %while.cond141 ] ; <i32> [#uses=3]
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%indvar.next67 = add i32 %0, 1 ; <i32> [#uses=1]
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%t = icmp slt i32 %indvar.next67, %n
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br i1 %t, label %if.then171, label %while.cond141
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if.then171: ; preds = %while.cond141
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%mul150 = mul i32 %0, %0 ; <i32> [#uses=1]
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%add174 = add i32 %mul150, %0 ; <i32> [#uses=1]
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ret i32 %add174
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}
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