103 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -mtriple=arm-arm-none-eabi -consthoist -S < %s | FileCheck %s
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; RUN: opt -mtriple=arm-arm-none-eabi -consthoist -pgso -S < %s -enable-new-pm=0 | FileCheck %s -check-prefix=PGSO
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; RUN: opt -mtriple=arm-arm-none-eabi -passes='require<profile-summary>,consthoist' -pgso -S < %s | FileCheck %s -check-prefix=PGSO
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; RUN: opt -mtriple=arm-arm-none-eabi -consthoist -pgso=false -S < %s | FileCheck %s -check-prefix=NPGSO
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; There are different candidates here for the base constant: 1073876992 and
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; 1073876996. But we don't want to see the latter because it results in
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; negative offsets.
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define void @foo() #0 {
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entry:
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; CHECK-LABEL: @foo
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; CHECK-NOT: [[CONST1:%const_mat[0-9]*]] = add i32 %const, -4
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; CHECK-LABEL: @foo_pgso
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  %0 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %or = or i32 %0, 1
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  store volatile i32 %or, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %1 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %and = and i32 %1, -117506048
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  store volatile i32 %and, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %2 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %and1 = and i32 %2, -17367041
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  store volatile i32 %and1, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %3 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %and2 = and i32 %3, -262145
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  store volatile i32 %and2, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %4 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %and3 = and i32 %4, -8323073
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  store volatile i32 %and3, i32* inttoptr (i32 1073876996 to i32*), align 4
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  store volatile i32 10420224, i32* inttoptr (i32 1073877000 to i32*), align 8
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  %5 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %or4 = or i32 %5, 65536
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  store volatile i32 %or4, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %6 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %or6.i.i = or i32 %6, 16
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  store volatile i32 %or6.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %7 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %and7.i.i = and i32 %7, -4
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  store volatile i32 %and7.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %8 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %or8.i.i = or i32 %8, 2
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  store volatile i32 %or8.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  ret void
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}
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attributes #0 = { minsize norecurse nounwind optsize readnone uwtable }
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define void @foo_pgso() #1 !prof !14 {
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entry:
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; PGSO-LABEL: @foo_pgso
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; PGSO-NOT: [[CONST2:%const_mat[0-9]*]] = add i32 %const, -4
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; NPGSO-LABEL: @foo_pgso
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; NPGSO: [[CONST2:%const_mat[0-9]*]] = add i32 %const, -4
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  %0 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %or = or i32 %0, 1
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  store volatile i32 %or, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %1 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %and = and i32 %1, -117506048
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  store volatile i32 %and, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %2 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %and1 = and i32 %2, -17367041
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  store volatile i32 %and1, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %3 = load volatile i32, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %and2 = and i32 %3, -262145
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  store volatile i32 %and2, i32* inttoptr (i32 1073876992 to i32*), align 4096
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  %4 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4
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  %and3 = and i32 %4, -8323073
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  store volatile i32 %and3, i32* inttoptr (i32 1073876996 to i32*), align 4
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  store volatile i32 10420224, i32* inttoptr (i32 1073877000 to i32*), align 8
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  %5 = load volatile i32, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %or4 = or i32 %5, 65536
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  store volatile i32 %or4, i32* inttoptr (i32 1073876996 to i32*), align 4096
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  %6 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %or6.i.i = or i32 %6, 16
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  store volatile i32 %or6.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %7 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %and7.i.i = and i32 %7, -4
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  store volatile i32 %and7.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %8 = load volatile i32, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  %or8.i.i = or i32 %8, 2
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  store volatile i32 %or8.i.i, i32* inttoptr (i32 1073881088 to i32*), align 8192
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  ret void
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}
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attributes #1 = { norecurse nounwind readnone uwtable }  ; no optsize or minsize
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"ProfileSummary", !1}
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!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
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!2 = !{!"ProfileFormat", !"InstrProf"}
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!3 = !{!"TotalCount", i64 10000}
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!4 = !{!"MaxCount", i64 10}
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!5 = !{!"MaxInternalCount", i64 1}
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!6 = !{!"MaxFunctionCount", i64 1000}
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!7 = !{!"NumCounts", i64 3}
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!8 = !{!"NumFunctions", i64 3}
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!9 = !{!"DetailedSummary", !10}
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!10 = !{!11, !12, !13}
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!11 = !{i32 10000, i64 100, i32 1}
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!12 = !{i32 999000, i64 100, i32 1}
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!13 = !{i32 999999, i64 1, i32 2}
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!14 = !{!"function_entry_count", i64 0}
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