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; RUN: opt -O3 -S < %s | FileCheck %s
; Arg promotion eliminates the struct argument but may leave dead arguments after its work
%struct.ss = type { i32, i64 }
@dummy = global i32 0
; CHECK: [[DUMMY:@.*]] = local_unnamed_addr global i32 0
define internal void @f(%struct.ss* byval(%struct.ss) align 8 %b, i32* byval(i32) align 4 %X) noinline nounwind {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[B_0:%.*]], i32 [[X:%.*]]){{[^#]*}} #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TEMP:%.*]] = add i32 [[B_0]], 1
; CHECK-NEXT: store i32 [[TEMP]], i32* [[DUMMY]], align 4
; CHECK-NEXT: ret void
;
entry:
%temp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
%temp1 = load i32, i32* %temp, align 4
%temp2 = add i32 %temp1, 1
store i32 %temp2, i32* @dummy
store i32 %temp2, i32* %X
ret void
}
define i32 @test(i32* %X) {
; CHECK-LABEL: define {{[^@]+}}@test
; CHECK-SAME: (i32* {{[^%]*}} [[X:%.*]]){{[^#]*}} #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[X_VAL:%.*]] = load i32, i32* [[X]], align 4
; CHECK-NEXT: tail call {{.*}}void @f(i32 1, i32 [[X_VAL]])
; CHECK-NEXT: ret i32 0
;
entry:
%S = alloca %struct.ss, align 8
%temp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
store i32 1, i32* %temp1, align 8
%temp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
store i64 2, i64* %temp4, align 4
call void @f( %struct.ss* byval(%struct.ss) align 8 %S, i32* byval(i32) align 4 %X)
ret i32 0
}
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