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llvm-mirror/test/Transforms/GlobalOpt/malloc-promote-2-no-null-opt.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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679 B
LLVM

; RUN: opt < %s -globalopt -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
@G = internal global i32* null
define void @t() #0 {
; CHECK: @t()
; CHECK: call i8* @malloc
; CHECK: bitcast
; CHECK: store
; CHECK: load
; CHECK: getelementptr
; CHECK: store
%malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4))
%P = bitcast i8* %malloccall to i32*
store i32* %P, i32** @G
%GV = load i32*, i32** @G
%GVe = getelementptr i32, i32* %GV, i32 40
store i32 20, i32* %GVe
ret void
}
declare noalias i8* @malloc(i64)
attributes #0 = { "null-pointer-is-valid"="true" }