llvm/test/Transforms/IndVarSimplify/addrec-gep.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

79 lines
2.7 KiB
LLVM

; RUN: opt < %s -indvars -S > %t
; RUN: grep getelementptr %t | count 1
; RUN: grep {mul .*, 37} %t | count 1
; RUN: grep {add .*, 5203} %t | count 1
; RUN: not grep cast %t
; This test tests several things. The load and store should use the
; same address instead of having it computed twice, and SCEVExpander should
; be able to reconstruct the full getelementptr, despite it having a few
; obstacles set in its way.
target datalayout = "e-p:64:64:64"
define void @foo(i64 %n, i64 %m, i64 %o, i64 %q, double* nocapture %p) nounwind {
entry:
%tmp = icmp sgt i64 %n, 0 ; <i1> [#uses=1]
br i1 %tmp, label %bb.nph3, label %return
bb.nph: ; preds = %bb2.preheader
%tmp1 = mul i64 %tmp16, %i.02 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp19, %i.02 ; <i64> [#uses=1]
br label %bb1
bb1: ; preds = %bb2, %bb.nph
%j.01 = phi i64 [ %tmp9, %bb2 ], [ 0, %bb.nph ] ; <i64> [#uses=3]
%tmp3 = add i64 %j.01, %tmp1 ; <i64> [#uses=1]
%tmp4 = add i64 %j.01, %tmp2 ; <i64> [#uses=1]
%z0 = add i64 %tmp4, 5203
%tmp5 = getelementptr double* %p, i64 %z0 ; <double*> [#uses=1]
%tmp6 = load double* %tmp5, align 8 ; <double> [#uses=1]
%tmp7 = fdiv double %tmp6, 2.100000e+00 ; <double> [#uses=1]
%z1 = add i64 %tmp4, 5203
%tmp8 = getelementptr double* %p, i64 %z1 ; <double*> [#uses=1]
store double %tmp7, double* %tmp8, align 8
%tmp9 = add i64 %j.01, 1 ; <i64> [#uses=2]
br label %bb2
bb2: ; preds = %bb1
%tmp10 = icmp slt i64 %tmp9, %m ; <i1> [#uses=1]
br i1 %tmp10, label %bb1, label %bb2.bb3_crit_edge
bb2.bb3_crit_edge: ; preds = %bb2
br label %bb3
bb3: ; preds = %bb2.preheader, %bb2.bb3_crit_edge
%tmp11 = add i64 %i.02, 1 ; <i64> [#uses=2]
br label %bb4
bb4: ; preds = %bb3
%tmp12 = icmp slt i64 %tmp11, %n ; <i1> [#uses=1]
br i1 %tmp12, label %bb2.preheader, label %bb4.return_crit_edge
bb4.return_crit_edge: ; preds = %bb4
br label %bb4.return_crit_edge.split
bb4.return_crit_edge.split: ; preds = %bb.nph3, %bb4.return_crit_edge
br label %return
bb.nph3: ; preds = %entry
%tmp13 = icmp sgt i64 %m, 0 ; <i1> [#uses=1]
%tmp14 = mul i64 %n, 37 ; <i64> [#uses=1]
%tmp15 = mul i64 %tmp14, %o ; <i64> [#uses=1]
%tmp16 = mul i64 %tmp15, %q ; <i64> [#uses=1]
%tmp17 = mul i64 %n, 37 ; <i64> [#uses=1]
%tmp18 = mul i64 %tmp17, %o ; <i64> [#uses=1]
%tmp19 = mul i64 %tmp18, %q ; <i64> [#uses=1]
br i1 %tmp13, label %bb.nph3.split, label %bb4.return_crit_edge.split
bb.nph3.split: ; preds = %bb.nph3
br label %bb2.preheader
bb2.preheader: ; preds = %bb.nph3.split, %bb4
%i.02 = phi i64 [ %tmp11, %bb4 ], [ 0, %bb.nph3.split ] ; <i64> [#uses=3]
br i1 true, label %bb.nph, label %bb3
return: ; preds = %bb4.return_crit_edge.split, %entry
ret void
}