mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
52164eaddc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140671 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
898 B
LLVM
29 lines
898 B
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
|
|
; Test indvars' ability to hoist new sext created by WidenIV.
|
|
; From ffbench.
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind {
|
|
; CHECK: entry:
|
|
; CHECK: sext
|
|
; CHECK: sext
|
|
entry:
|
|
br label %for.body
|
|
|
|
; CHECK: for.body:
|
|
; CHECK-NOT: sext
|
|
; CHECK: br
|
|
for.body:
|
|
%i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ]
|
|
%add174 = add nsw i32 %i2.115, %x
|
|
%idxprom177 = sext i32 %add174 to i64
|
|
%arrayidx179 = getelementptr inbounds double* %data, i64 %idxprom177
|
|
%tmp180 = load double* %arrayidx179, align 8
|
|
%add249 = add nsw i32 %i2.115, %y
|
|
%cmp168 = icmp sgt i32 %add249, %n
|
|
br i1 %cmp168, label %exit, label %for.body
|
|
|
|
exit:
|
|
ret double %tmp180
|
|
}
|