mirror of
https://github.com/c64scene-ar/llvm-6502.git
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d2069333ee
Currently, there's a single flag, checked by the pass itself. It can't force-enable the pass (and is on by default), because it might not even have been created, as that's the targets decision. Instead, have separate explicit flags, so that the decision is consistently made in the target. Keep the flag as a last-resort "force-disable GlobalMerge" for now, for backwards compatibility. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234666 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
5.2 KiB
LLVM
89 lines
5.2 KiB
LLVM
; RUN: llc %s -O0 -o - | FileCheck -check-prefix=NO-MERGE %s
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; RUN: llc %s -O0 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
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; RUN: llc %s -O0 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
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; RUN: llc %s -O1 -o - | FileCheck -check-prefix=NO-MERGE %s
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; RUN: llc %s -O1 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
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; RUN: llc %s -O1 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
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; RUN: llc %s -O3 -o - | FileCheck -check-prefix=MERGE %s
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; RUN: llc %s -O3 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
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; RUN: llc %s -O3 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
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; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
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; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
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; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
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; MERGE: .zerofill __DATA,__bss,__MergedGlobals,60,4
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; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
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; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
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; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
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; NO-MERGE-NOT: .zerofill __DATA,__bss,__MergedGlobals,60,4
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; NO-MERGE: .zerofill __DATA,__bss,_bar,20,2
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; NO-MERGE: .zerofill __DATA,__bss,_baz,20,2
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; NO-MERGE: .zerofill __DATA,__bss,_foo,20,2
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; NO-MERGE-NOT: .zerofill __DATA,__bss,__MergedGlobals,60,4
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
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target triple = "thumbv7-apple-ios3.0.0"
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@bar = internal global [5 x i32] zeroinitializer, align 4
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@baz = internal global [5 x i32] zeroinitializer, align 4
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@foo = internal global [5 x i32] zeroinitializer, align 4
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; Function Attrs: nounwind ssp
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define internal void @initialize() #0 {
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%1 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %1, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 0), align 4, !tbaa !1
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%2 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %2, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 0), align 4, !tbaa !1
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%3 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %3, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 1), align 4, !tbaa !1
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%4 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %4, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 1), align 4, !tbaa !1
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%5 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %5, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 2), align 4, !tbaa !1
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%6 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 2), align 4, !tbaa !1
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%7 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %7, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 3), align 4, !tbaa !1
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%8 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %8, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 3), align 4, !tbaa !1
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%9 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %9, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 4), align 4, !tbaa !1
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%10 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
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store i32 %10, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 4), align 4, !tbaa !1
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ret void
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}
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declare i32 @calc(...) #1
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; Function Attrs: nounwind ssp
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define internal void @calculate() #0 {
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%1 = load <4 x i32>, <4 x i32>* bitcast ([5 x i32]* @bar to <4 x i32>*), align 4
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%2 = load <4 x i32>, <4 x i32>* bitcast ([5 x i32]* @baz to <4 x i32>*), align 4
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%3 = mul <4 x i32> %2, %1
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store <4 x i32> %3, <4 x i32>* bitcast ([5 x i32]* @foo to <4 x i32>*), align 4
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%4 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 4), align 4, !tbaa !1
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%5 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 4), align 4, !tbaa !1
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%6 = mul nsw i32 %5, %4
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store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i32 0, i32 4), align 4, !tbaa !1
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ret void
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}
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; Function Attrs: nounwind readnone ssp
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define internal i32* @returnFoo() #2 {
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ret i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i32 0, i32 0)
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}
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attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind }
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!llvm.ident = !{!0}
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!0 = !{!"LLVM version 3.4 "}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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