llvm-6502/test/CodeGen/X86/lsr-nonaffine.ll
2010-06-04 19:16:34 +00:00

24 lines
967 B
LLVM

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