0676acb6fd
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt, GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that had not been updated earlier.
46 lines
1.6 KiB
LLVM
46 lines
1.6 KiB
LLVM
; RUN: opt < %s -passes='function(instcombine),function(mem2reg)' -S | grep "%A = alloca"
|
|
; RUN: opt < %s -passes='function(instcombine),function(mem2reg)' -S | \
|
|
; RUN: not grep "%B = alloca"
|
|
; END.
|
|
|
|
; Ensure that instcombine doesn't sink the loads in entry/cond_true into
|
|
; cond_next. Doing so prevents mem2reg from promoting the B alloca.
|
|
|
|
define i32 @test2(i32 %C) {
|
|
entry:
|
|
%A = alloca i32
|
|
%B = alloca i32
|
|
%tmp = call i32 (...) @bar( ptr %A ) ; <i32> [#uses=0]
|
|
%T = load i32, ptr %A ; <i32> [#uses=1]
|
|
%tmp2 = icmp eq i32 %C, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp2, label %cond_next, label %cond_true
|
|
|
|
cond_true: ; preds = %entry
|
|
store i32 123, ptr %B
|
|
call i32 @test2( i32 123 ) ; <i32>:0 [#uses=0]
|
|
%T1 = load i32, ptr %B ; <i32> [#uses=1]
|
|
br label %cond_next
|
|
|
|
cond_next: ; preds = %cond_true, %entry
|
|
%tmp1.0 = phi i32 [ %T1, %cond_true ], [ %T, %entry ] ; <i32> [#uses=1]
|
|
%tmp7 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp8 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp9 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp10 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp11 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp12 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp13 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp14 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp15 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp16 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp17 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp18 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp19 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
%tmp20 = call i32 (...) @baq( ) ; <i32> [#uses=0]
|
|
ret i32 %tmp1.0
|
|
}
|
|
|
|
declare i32 @bar(...)
|
|
|
|
declare i32 @baq(...)
|