98 lines
4.8 KiB
LLVM
98 lines
4.8 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl -O0 < %s | FileCheck %s
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; CHECK-LABEL: foo:
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; Check function prologue generation
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; CHECK: r29 = add(r29,#-24)
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; CHECK: memw(r29+#4) = r1
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; CHECK: memw(r29+#8) = r2
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; CHECK: memw(r29+#12) = r3
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; CHECK: memw(r29+#16) = r4
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; CHECK: memw(r29+#20) = r5
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; CHECK: r29 = add(r29,#24)
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%struct.AAA = type { i32, i32, i32, i32 }
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%struct.__va_list_tag = type { i8*, i8*, i8* }
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@aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4
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@.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 1
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; Function Attrs: nounwind
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define i32 @foo(i32 %xx, ...) #0 {
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entry:
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%ap = alloca [1 x %struct.__va_list_tag], align 8
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%arraydecay1 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*
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call void @llvm.va_start(i8* %arraydecay1)
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%__current_saved_reg_area_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0, i32 0
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%__current_saved_reg_area_pointer = load i8*, i8** %__current_saved_reg_area_pointer_p, align 8
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%__saved_reg_area_end_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0, i32 1
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%__saved_reg_area_end_pointer = load i8*, i8** %__saved_reg_area_end_pointer_p, align 4
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%__new_saved_reg_area_pointer = getelementptr i8, i8* %__current_saved_reg_area_pointer, i32 4
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%0 = icmp sgt i8* %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer
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%__overflow_area_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0, i32 2
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%__overflow_area_pointer = load i8*, i8** %__overflow_area_pointer_p, align 8
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br i1 %0, label %vaarg.on_stack, label %vaarg.end
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vaarg.on_stack: ; preds = %entry
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%__overflow_area_pointer.next = getelementptr i8, i8* %__overflow_area_pointer, i32 4
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store i8* %__overflow_area_pointer.next, i8** %__overflow_area_pointer_p, align 8
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br label %vaarg.end
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vaarg.end: ; preds = %entry, %vaarg.on_stack
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%__overflow_area_pointer5 = phi i8* [ %__overflow_area_pointer.next, %vaarg.on_stack ], [ %__overflow_area_pointer, %entry ]
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%storemerge32 = phi i8* [ %__overflow_area_pointer.next, %vaarg.on_stack ], [ %__new_saved_reg_area_pointer, %entry ]
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%vaarg.addr.in = phi i8* [ %__overflow_area_pointer, %vaarg.on_stack ], [ %__current_saved_reg_area_pointer, %entry ]
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store i8* %storemerge32, i8** %__current_saved_reg_area_pointer_p, align 8
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%vaarg.addr = bitcast i8* %vaarg.addr.in to i32*
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%1 = load i32, i32* %vaarg.addr, align 4
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%__overflow_area_pointer_p4 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0, i32 2
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%__overflow_area_pointer.next6 = getelementptr i8, i8* %__overflow_area_pointer5, i32 16
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store i8* %__overflow_area_pointer.next6, i8** %__overflow_area_pointer_p4, align 8
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%bbb.sroa.1.0.idx27 = getelementptr inbounds i8, i8* %__overflow_area_pointer5, i32 12
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%2 = bitcast i8* %bbb.sroa.1.0.idx27 to i32*
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%bbb.sroa.1.0.copyload = load i32, i32* %2, align 4
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%add8 = add nsw i32 %bbb.sroa.1.0.copyload, %1
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%__new_saved_reg_area_pointer15 = getelementptr i8, i8* %storemerge32, i32 4
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%3 = icmp sgt i8* %__new_saved_reg_area_pointer15, %__saved_reg_area_end_pointer
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br i1 %3, label %vaarg.on_stack17, label %vaarg.end21
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vaarg.on_stack17: ; preds = %vaarg.end
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%__overflow_area_pointer.next20 = getelementptr i8, i8* %__overflow_area_pointer5, i32 20
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store i8* %__overflow_area_pointer.next20, i8** %__overflow_area_pointer_p4, align 8
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br label %vaarg.end21
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vaarg.end21: ; preds = %vaarg.end, %vaarg.on_stack17
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%storemerge = phi i8* [ %__overflow_area_pointer.next20, %vaarg.on_stack17 ], [ %__new_saved_reg_area_pointer15, %vaarg.end ]
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%vaarg.addr22.in = phi i8* [ %__overflow_area_pointer.next6, %vaarg.on_stack17 ], [ %storemerge32, %vaarg.end ]
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store i8* %storemerge, i8** %__current_saved_reg_area_pointer_p, align 8
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%vaarg.addr22 = bitcast i8* %vaarg.addr22.in to i32*
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%4 = load i32, i32* %vaarg.addr22, align 4
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%add23 = add nsw i32 %add8, %4
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call void @llvm.va_end(i8* %arraydecay1)
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ret i32 %add23
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}
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; Function Attrs: nounwind
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declare void @llvm.va_start(i8*) #1
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; Function Attrs: nounwind
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declare void @llvm.va_end(i8*) #1
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; Function Attrs: nounwind
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define i32 @main() #0 {
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entry:
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%call = tail call i32 (i32, ...) @foo(i32 undef, i32 2, %struct.AAA* byval(%struct.AAA) align 4 @aaa, i32 4)
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%call1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 %call) #1
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ret i32 %call
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}
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; Function Attrs: nounwind
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declare i32 @printf(i8* nocapture readonly, ...) #0
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attributes #0 = { nounwind }
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!llvm.ident = !{!0}
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!0 = !{!"Clang 3.1"}
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