48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
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"
|
|
|
|
%struct.foo = type { i32, i32 }
|
|
@X = internal global %struct.foo* null
|
|
; CHECK: @X.f0
|
|
; CHECK: @X.f1
|
|
|
|
define void @bar(i64 %Size) nounwind noinline {
|
|
entry:
|
|
%mallocsize = shl i64 %Size, 3 ; <i64> [#uses=1]
|
|
%malloccall = tail call i8* @malloc(i64 %mallocsize) ; <i8*> [#uses=1]
|
|
; CHECK: mul i64 %Size, 4
|
|
%.sub = bitcast i8* %malloccall to %struct.foo* ; <%struct.foo*> [#uses=1]
|
|
store %struct.foo* %.sub, %struct.foo** @X, align 4
|
|
ret void
|
|
}
|
|
|
|
declare noalias i8* @malloc(i64)
|
|
|
|
define i32 @baz() nounwind readonly noinline {
|
|
bb1.thread:
|
|
%0 = load %struct.foo*, %struct.foo** @X, align 4
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb1, %bb1.thread
|
|
%i.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ]
|
|
%sum.0.reg2mem.0 = phi i32 [ 0, %bb1.thread ], [ %3, %bb1 ]
|
|
%1 = getelementptr %struct.foo, %struct.foo* %0, i32 %i.0.reg2mem.0, i32 0
|
|
%2 = load i32, i32* %1, align 4
|
|
%3 = add i32 %2, %sum.0.reg2mem.0
|
|
%indvar.next = add i32 %i.0.reg2mem.0, 1
|
|
%exitcond = icmp eq i32 %indvar.next, 1200
|
|
br i1 %exitcond, label %bb2, label %bb1
|
|
|
|
bb2: ; preds = %bb1
|
|
ret i32 %3
|
|
}
|
|
|
|
define void @bam(i64 %Size) nounwind noinline #0 {
|
|
entry:
|
|
%0 = load %struct.foo*, %struct.foo** @X, align 4
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { null_pointer_is_valid }
|
|
|