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https://github.com/RPCS3/llvm-mirror.git
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0430bb0872
If no alignment is set, the abi/preferred alignment of structs will be used which may be higher than required. This can lead to extra padding and in the end an increase in data size. Differential Revision: https://reviews.llvm.org/D47633 llvm-svn: 334099
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,60,2
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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,60,2
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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,60,2
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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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