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Add two new testcases that instcombine should handle

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16403 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-09-19 18:43:01 +00:00
parent 7b60a15abc
commit b4f5c68e5a
1 changed files with 23 additions and 0 deletions
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23
test/Transforms/InstCombine/load.ll
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@ -4,6 +4,7 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load
%X = constant int 42 %X = constant int 42
%X2 = constant int 47
%Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 }, %Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 },
{ int, float } { int 37, float 1.2312 } ] { int, float } { int 37, float 1.2312 } ]
%Z = constant [2 x { int, float }] zeroinitializer %Z = constant [2 x { int, float }] zeroinitializer
@ -31,3 +32,25 @@ int %test4() {
%B = load int* %A %B = load int* %A
ret int %B ret int %B
} }
; load (select (Cond, &V1, &V2)) --> select(Cond, load &V1, load &V2)
int %test5(bool %C) {
%Y = select bool %C, int* %X, int* %X2
%Z = load int* %Y
ret int %Z
}
; load (phi (&V1, &V2, &V3)) --> phi(load &V1, load &V2, load &V3)
int %test6(bool %C) {
entry:
br bool %C, label %cond_true.i, label %cond_continue.i
cond_true.i:
br label %cond_continue.i
cond_continue.i:
%mem_tmp.i.0 = phi int* [ %X, %cond_true.i ], [ %X2, %entry ]
%tmp.3 = load int* %mem_tmp.i.0
ret int %tmp.3
}